diff --git a/forge-ai/src/main/java/forge/ai/PlayerControllerAi.java b/forge-ai/src/main/java/forge/ai/PlayerControllerAi.java
index 97dc8521d78..923d862b406 100644
--- a/forge-ai/src/main/java/forge/ai/PlayerControllerAi.java
+++ b/forge-ai/src/main/java/forge/ai/PlayerControllerAi.java
@@ -1064,7 +1064,7 @@ public class PlayerControllerAi extends PlayerController {
         }
     }
 
-    private boolean prepareSingleSa(final Card host, final SpellAbility sa, boolean isMandatory){
+    private boolean prepareSingleSa(final Card host, final SpellAbility sa, boolean isMandatory) {
         if (sa.hasParam("TargetingPlayer")) {
             Player targetingPlayer = AbilityUtils.getDefinedPlayers(host, sa.getParam("TargetingPlayer"), sa).get(0);
             sa.setTargetingPlayer(targetingPlayer);
diff --git a/forge-game/src/main/java/forge/game/trigger/TriggerHandler.java b/forge-game/src/main/java/forge/game/trigger/TriggerHandler.java
index 046e673abe4..2b6a43a4723 100644
--- a/forge-game/src/main/java/forge/game/trigger/TriggerHandler.java
+++ b/forge-game/src/main/java/forge/game/trigger/TriggerHandler.java
@@ -579,7 +579,7 @@ public class TriggerHandler {
             sa.setOptionalTrigger(true);
             decider = AbilityUtils.getDefinedPlayers(host, regtrig.getParam("OptionalDecider"), sa).get(0);
         }
-        else if (sa instanceof AbilitySub || !sa.hasParam("Cost") || sa.getParam("Cost").equals("0")) {
+        else if (sa instanceof AbilitySub || !sa.hasParam("Cost") || sa.hasParam("CostMandatory") || sa.getParam("Cost").equals("0")) {
             isMandatory = true;
         } else { // triggers with a cost can't be mandatory
             sa.setOptionalTrigger(true);
diff --git a/forge-gui/res/cardsfolder/a/abomination_of_gudul.txt b/forge-gui/res/cardsfolder/a/abomination_of_gudul.txt
index 3f9501c5511..f4cbaf8c10a 100644
--- a/forge-gui/res/cardsfolder/a/abomination_of_gudul.txt
+++ b/forge-gui/res/cardsfolder/a/abomination_of_gudul.txt
@@ -4,8 +4,7 @@ Types:Creature Horror
 PT:3/4
 K:Flying
 K:Morph:2 B G U
-T:Mode$ DamageDone | ValidSource$ Card.Self | ValidTarget$ Player | CombatDamage$ True | Execute$ TrigLoot | OptionalDecider$ You | TriggerDescription$ Whenever CARDNAME deals combat damage to a player, you may draw a card. If you do, discard a card.
-SVar:TrigLoot:DB$Draw | NumCards$ 1 | SubAbility$ DBDiscard
-SVar:DBDiscard:DB$Discard | Defined$ You | Mode$ TgtChoose | NumCards$ 1
+T:Mode$ DamageDone | ValidSource$ Card.Self | ValidTarget$ Player | CombatDamage$ True | Execute$ TrigLoot | TriggerDescription$ Whenever CARDNAME deals combat damage to a player, you may draw a card. If you do, discard a card.
+SVar:TrigLoot:AB$ Discard | Defined$ You | Mode$ TgtChoose | NumCards$ 1 | Cost$ Draw<1/You>
 SVar:Picture:http://www.wizards.com/global/images/magic/general/abomination_of_gudul.jpg
 Oracle:Flying\nWhenever Abomination of Gudul deals combat damage to a player, you may draw a card. If you do, discard a card.\nMorph {2}{B}{G}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
diff --git a/forge-gui/res/cardsfolder/a/awaken_the_sky_tyrant.txt b/forge-gui/res/cardsfolder/a/awaken_the_sky_tyrant.txt
index e7d2b4a872b..8e2f9e8ee47 100644
--- a/forge-gui/res/cardsfolder/a/awaken_the_sky_tyrant.txt
+++ b/forge-gui/res/cardsfolder/a/awaken_the_sky_tyrant.txt
@@ -2,9 +2,7 @@ Name:Awaken the Sky Tyrant
 ManaCost:3 R
 Types:Enchantment
 T:Mode$ DamageDone | ValidSource$ Card.OppCtrl | ValidTarget$ You | TriggerZones$ Battlefield | Execute$ TrigSac | TriggerDescription$ When a source an opponent controls deals damage to you, sacrifice CARDNAME. If you do, create a 5/5 red Dragon creature token with flying.
-SVar:TrigSac:DB$ Sacrifice | SacValid$ Self | RememberSacrificed$ True | SubAbility$ DBToken
-SVar:DBToken:DB$ Token | TokenAmount$ 1 | TokenScript$ r_5_5_dragon_flying | TokenOwner$ You | LegacyImage$ r 5 5 dragon flying c15 | ConditionCheckSVar$ X | ConditionSVarCompare$ GE1 | SubAbility$ DBCleanup 
-SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True 
+SVar:TrigSac:AB$ Token | TokenAmount$ 1 | TokenScript$ r_5_5_dragon_flying | TokenOwner$ You | Cost$ Sac<1/CARDNAME> | CostMandatory$ True
 SVar:X:Remembered$Amount 
 SVar:Picture:http://www.wizards.com/global/images/magic/general/awaken_the_sky_tyrant.jpg
 Oracle:When a source an opponent controls deals damage to you, sacrifice Awaken the Sky Tyrant. If you do, create a 5/5 red Dragon creature token with flying.
\ No newline at end of file
diff --git a/forge-gui/res/cardsfolder/b/balduvian_horde.txt b/forge-gui/res/cardsfolder/b/balduvian_horde.txt
index ca337b8a7e5..8a4c851097c 100644
--- a/forge-gui/res/cardsfolder/b/balduvian_horde.txt
+++ b/forge-gui/res/cardsfolder/b/balduvian_horde.txt
@@ -2,11 +2,8 @@ Name:Balduvian Horde
 ManaCost:2 R R
 Types:Creature Human Barbarian
 PT:5/5
-T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | Execute$ TrigDiscard | TriggerDescription$ When CARDNAME enters the battlefield, sacrifice it unless you discard a card at random.
-SVar:TrigDiscard:DB$ Discard | NumCards$ 1 | Mode$ Random | Optional$ True | RememberDiscarded$ True | SubAbility$ DBSacrifice
-SVar:DBSacrifice:DB$ Sacrifice | ConditionCheckSVar$ X | ConditionSVarCompare$ EQ0 | SubAbility$ DBCleanup
-SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
-SVar:X:Remembered$Amount
+T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | Execute$ TrigSac | TriggerDescription$ When CARDNAME enters the battlefield, sacrifice it unless you discard a card at random.
+SVar:TrigSac:DB$ Sacrifice | SacValid$ Self | UnlessCost$ Discard<1/Random> | UnlessPayer$ You
 SVar:NeedsToPlayVar:Y GE2
 SVar:Y:Count$InYourHand
 SVar:Picture:http://www.wizards.com/global/images/magic/general/balduvian_horde.jpg
diff --git a/forge-gui/res/cardsfolder/b/baral_chief_of_compliance.txt b/forge-gui/res/cardsfolder/b/baral_chief_of_compliance.txt
index 14bf4b8a955..ebeb89fe99a 100644
--- a/forge-gui/res/cardsfolder/b/baral_chief_of_compliance.txt
+++ b/forge-gui/res/cardsfolder/b/baral_chief_of_compliance.txt
@@ -3,9 +3,8 @@ ManaCost:1 U
 Types:Legendary Creature Human Wizard
 PT:1/3
 S:Mode$ ReduceCost | ValidCard$ Instant,Sorcery | Type$ Spell | Activator$ You | Amount$ 1 | Description$ Instant and sorcery spells you cast cost {1} less to cast.
-T:Mode$ Countered | ValidCause$ Card.YouCtrl | ValidCard$ Card | ValidType$ Spell | OptionalDecider$ You | TriggerZones$ Battlefield | Execute$ TrigLoot | TriggerDescription$ Whenever a spell or ability you control counters a spell, you may draw a card. If you do, discard a card.
-SVar:TrigLoot:DB$Draw | NumCards$ 1 | SubAbility$ DBDiscard
-SVar:DBDiscard:DB$Discard | Defined$ You | Mode$ TgtChoose | NumCards$ 1 
+T:Mode$ Countered | ValidCause$ Card.YouCtrl | ValidCard$ Card | ValidType$ Spell | TriggerZones$ Battlefield | Execute$ TrigLoot | TriggerDescription$ Whenever a spell or ability you control counters a spell, you may draw a card. If you do, discard a card.
+SVar:TrigLoot:AB$ Discard | Defined$ You | Mode$ TgtChoose | NumCards$ 1 | Cost$ Draw<1/You>
 DeckHints:Type$Instant|Sorcery
 SVar:Picture:http://www.wizards.com/global/images/magic/general/baral_chief_of_compliance.jpg
 Oracle:Instant and sorcery spells you cast cost {1} less to cast.\nWhenever a spell or ability you control counters a spell, you may draw a card. If you do, discard a card.
\ No newline at end of file
diff --git a/forge-gui/res/cardsfolder/b/battlefield_scavenger.txt b/forge-gui/res/cardsfolder/b/battlefield_scavenger.txt
index 2e59e545135..13a9612c03a 100644
--- a/forge-gui/res/cardsfolder/b/battlefield_scavenger.txt
+++ b/forge-gui/res/cardsfolder/b/battlefield_scavenger.txt
@@ -5,7 +5,5 @@ PT:2/2
 K:You may exert CARDNAME as it attacks.
 T:Mode$ Exerted | ValidCard$ Creature.YouCtrl | TriggerZones$ Battlefield | Execute$ TrigDiscard | TriggerDescription$ Whenever you exert a creature, you may discard a card. If you do, draw a card.
 // This code presumes that you are only ever allowed to exert creatures you control. If this is changed in the future, it will need an update.
-SVar:TrigDiscard:DB$ Discard | Defined$ You | NumCards$ 1 | Mode$ TgtChoose | RememberDiscarded$ True | Optional$ True | SubAbility$ DBDraw
-SVar:DBDraw:DB$ Draw | NumCards$ 1 | ConditionDefined$ Remembered | ConditionPresent$ Card | ConditionCompare$ GE1 | SubAbility$ DBCleanup
-SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True 
+SVar:DBDraw:AB$ Draw | NumCards$ 1 | Cost$ Discard<1/Card>
 Oracle:You may exert Battlefield Scavenger as it attacks. (It won't untap during your next untap step.)\nWhenever you exert a creature, you may discard a card. If you do, draw a card.
diff --git a/forge-gui/res/cardsfolder/b/burning_tree_vandal.txt b/forge-gui/res/cardsfolder/b/burning_tree_vandal.txt
index 664652dc71a..4e116984c3e 100644
--- a/forge-gui/res/cardsfolder/b/burning_tree_vandal.txt
+++ b/forge-gui/res/cardsfolder/b/burning_tree_vandal.txt
@@ -3,9 +3,7 @@ ManaCost:2 R
 Types:Creature Human Rogue
 PT:2/1
 K:Riot
-T:Mode$ Attacks | ValidCard$ Card.Self | Execute$ TrigDiscard | TriggerDescription$ Whenever CARDNAME attacks, you may discard a card. If you do, draw a card.
-SVar:TrigDiscard:DB$ Discard | Defined$ You | NumCards$ 1 | Mode$ TgtChoose | RememberDiscarded$ True | Optional$ True | SubAbility$ DBDraw
-SVar:DBDraw:DB$ Draw | NumCards$ 1 | ConditionDefined$ Remembered | ConditionPresent$ Card | ConditionCompare$ GE1 | SubAbility$ DBCleanup
-SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
+T:Mode$ Attacks | ValidCard$ Card.Self | Execute$ TrigDraw | TriggerDescription$ Whenever CARDNAME attacks, you may discard a card. If you do, draw a card.
+SVar:TrigDraw:AB$ Draw | NumCards$ 1 | Cost$ Discard<1/Card>
 DeckHas:Ability$Counters
 Oracle:Riot (This creature enters the battlefield with your choice of a +1/+1 counter or haste.)\nWhenever Burning-Tree Vandal attacks, you may discard a card. If you do, draw a card.
diff --git a/forge-gui/res/cardsfolder/c/cloudpiercer.txt b/forge-gui/res/cardsfolder/c/cloudpiercer.txt
index 91e965f0163..9dd012c8ffb 100755
--- a/forge-gui/res/cardsfolder/c/cloudpiercer.txt
+++ b/forge-gui/res/cardsfolder/c/cloudpiercer.txt
@@ -4,8 +4,6 @@ Types:Creature Dinosaur
 PT:5/4
 K:Mutate:3 R
 K:Reach
-T:Mode$ Mutates | ValidCard$ Card.Self | Execute$ TrigDiscard | OptionalDecider$ You | TriggerDescription$ Whenever this creature mutates, you may discard a card. If you do, draw a card.
-SVar:TrigDiscard:DB$ Discard | Defined$ You | NumCards$ 1 | Mode$ TgtChoose | RememberDiscarded$ True | SubAbility$ DBDraw
-SVar:DBDraw:DB$ Draw | NumCards$ 1 | ConditionDefined$ Remembered | ConditionPresent$ Card | ConditionCompare$ GE1 | SubAbility$ DBCleanup
-SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
+T:Mode$ Mutates | ValidCard$ Card.Self | Execute$ TrigDiscard | TriggerDescription$ Whenever this creature mutates, you may discard a card. If you do, draw a card.
+SVar:TrigDiscard:AB$ Draw | NumCards$ 1 | Cost$ Discard<1/Card>
 Oracle:Mutate {3}{R} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)\nReach\nWhenever this creature mutates, you may discard a card. If you do, draw a card.
diff --git a/forge-gui/res/cardsfolder/d/daring_saboteur.txt b/forge-gui/res/cardsfolder/d/daring_saboteur.txt
index 1d1061ce23e..c787fd5c7d5 100644
--- a/forge-gui/res/cardsfolder/d/daring_saboteur.txt
+++ b/forge-gui/res/cardsfolder/d/daring_saboteur.txt
@@ -3,7 +3,6 @@ ManaCost:1 U
 Types:Creature Human Pirate
 PT:2/1
 A:AB$ Pump | Cost$ 2 U | Defined$ Self | KW$ HIDDEN Unblockable | SpellDescription$ CARDNAME can't be blocked this turn.
-T:Mode$ DamageDone | ValidSource$ Card.Self | ValidTarget$ Player | CombatDamage$ True | Execute$ TrigLoot | OptionalDecider$ You | TriggerDescription$ Whenever CARDNAME deals combat damage to a player, you may draw a card. If you do, discard a card.
-SVar:TrigLoot:DB$ Draw | NumCards$ 1 | SubAbility$ DBDiscard
-SVar:DBDiscard:DB$ Discard | Defined$ You | Mode$ TgtChoose | NumCards$ 1
+T:Mode$ DamageDone | ValidSource$ Card.Self | ValidTarget$ Player | CombatDamage$ True | Execute$ TrigLoot | TriggerDescription$ Whenever CARDNAME deals combat damage to a player, you may draw a card. If you do, discard a card.
+SVar:TrigLoot:AB$ Discard | Defined$ You | Mode$ TgtChoose | NumCards$ 1 | Cost$ Draw<1/You>
 Oracle:{2}{U}: Daring Saboteur can't be blocked this turn.\nWhenever Daring Saboteur deals combat damage to a player, you may draw a card. If you do, discard a card.
diff --git a/forge-gui/res/cardsfolder/d/durable_handicraft.txt b/forge-gui/res/cardsfolder/d/durable_handicraft.txt
index 044f0f1a8a5..8c994669750 100644
--- a/forge-gui/res/cardsfolder/d/durable_handicraft.txt
+++ b/forge-gui/res/cardsfolder/d/durable_handicraft.txt
@@ -2,7 +2,7 @@ Name:Durable Handicraft
 ManaCost:1 G
 Types:Enchantment
 T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Creature.YouCtrl | TriggerZones$ Battlefield | Execute$ TrigPutCounter | TriggerDescription$ Whenever a creature enters the battlefield under your control, you may pay {1}. If you do, put a +1/+1 counter on that creature.
-SVar:TrigPutCounter:AB$PutCounter | Cost$ 1 | Defined$ TriggeredCardLKICopy | CounterType$ P1P1 | CounterNum$ 1
+SVar:TrigPutCounter:AB$ PutCounter | Cost$ 1 | Defined$ TriggeredCardLKICopy | CounterType$ P1P1 | CounterNum$ 1
 A:AB$ PutCounterAll | Cost$ 5 G Sac<1/CARDNAME> | ValidCards$ Creature.YouCtrl | CounterType$ P1P1 | CounterNum$ 1 | SpellDescription$ Put a +1/+1 counter on each creature you control.
 SVar:Picture:http://www.wizards.com/global/images/magic/general/durable_handicraft.jpg
 Oracle:Whenever a creature enters the battlefield under your control, you may pay {1}. If you do, put a +1/+1 counter on that creature.\n{5}{G}, Sacrifice Durable Handicraft: Put a +1/+1 counter on each creature you control.
diff --git a/forge-gui/res/cardsfolder/f/flame_kin_war_scout.txt b/forge-gui/res/cardsfolder/f/flame_kin_war_scout.txt
index cc48c710f0a..56db269b309 100644
--- a/forge-gui/res/cardsfolder/f/flame_kin_war_scout.txt
+++ b/forge-gui/res/cardsfolder/f/flame_kin_war_scout.txt
@@ -3,9 +3,7 @@ ManaCost:3 R
 Types:Creature Elemental Scout
 PT:2/4
 T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Creature.Other |TriggerZones$ Battlefield | Execute$ TrigSac | TriggerDescription$ When another creature enters the battlefield, sacrifice Flame-Kin War Scout. If you do, Flame-Kin War Scout deals 4 damage to that creature.
-SVar:TrigSac:DB$Sacrifice | Defined$ Self | SubAbility$ DBDamage | RememberSacrificed$ True
-SVar:DBDamage:DB$DealDamage | Defined$ TriggeredCardLKICopy | NumDmg$ 4 | ConditionDefined$ Remembered | ConditionPresent$ Card.Self | SubAbility$ DBCleanup
-SVar:DBCleanup:DB$Cleanup | ClearRemembered$ True
+SVar:TrigSac:AB$ DealDamage | Defined$ TriggeredCardLKICopy | NumDmg$ 4 | Cost$ Sac<1/CARDNAME> | CostMandatory$ True
 AI:RemoveDeck:All
 SVar:Picture:http://www.wizards.com/global/images/magic/general/flame_kin_war_scout.jpg
 Oracle:When another creature enters the battlefield, sacrifice Flame-Kin War Scout. If you do, Flame-Kin War Scout deals 4 damage to that creature.
diff --git a/forge-gui/res/cardsfolder/g/gallia_of_the_endless_dance.txt b/forge-gui/res/cardsfolder/g/gallia_of_the_endless_dance.txt
index 53d8b139310..2ac298f5888 100644
--- a/forge-gui/res/cardsfolder/g/gallia_of_the_endless_dance.txt
+++ b/forge-gui/res/cardsfolder/g/gallia_of_the_endless_dance.txt
@@ -4,10 +4,8 @@ Types:Legendary Creature Satyr
 PT:2/2
 K:Haste
 S:Mode$ Continuous | Affected$ Card.Satyr+Other+YouCtrl | AddPower$ 1 | AddToughness$ 1 | AddKeyword$ Haste | Description$ Other Satyrs you control get +1/+1 and have haste.
-T:Mode$ AttackersDeclared | Execute$ TrigDiscard | CheckSVar$ AttackerCount | SVarCompare$ GE3 | NoResolvingCheck$ True | TriggerZones$ Battlefield | AttackingPlayer$ You | OptionalDecider$ You | TriggerDescription$ Whenever you attack with three or more creatures, you may discard a card at random. If you do, draw two cards.
+T:Mode$ AttackersDeclared | Execute$ TrigDiscard | CheckSVar$ AttackerCount | SVarCompare$ GE3 | NoResolvingCheck$ True | TriggerZones$ Battlefield | AttackingPlayer$ You | TriggerDescription$ Whenever you attack with three or more creatures, you may discard a card at random. If you do, draw two cards.
 SVar:AttackerCount:Count$Valid Creature.attacking
-SVar:TrigDiscard:DB$ Discard | Defined$ You | NumCards$ 1 | Mode$ Random | RememberDiscarded$ True | SubAbility$ DBDraw
-SVar:DBDraw:DB$ Draw | Defined$ You | NumCards$ 2 | ConditionDefined$ Remembered | ConditionPresent$ Card | ConditionCompare$ GE1 | SubAbility$ DBCleanup
-SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
+SVar:TrigDiscard:AB$ Draw | Defined$ You | NumCards$ 2 | Cost$ Discard<1/Random>
 DeckHints:Type$Satyr
 Oracle:Haste\nOther Satyrs you control get +1/+1 and have haste.\nWhenever you attack with three or more creatures, you may discard a card at random. If you do, draw two cards.
\ No newline at end of file
diff --git a/forge-gui/res/cardsfolder/g/grave_peril.txt b/forge-gui/res/cardsfolder/g/grave_peril.txt
index f2fff0bf33c..b3dc40c3f1a 100644
--- a/forge-gui/res/cardsfolder/g/grave_peril.txt
+++ b/forge-gui/res/cardsfolder/g/grave_peril.txt
@@ -2,8 +2,7 @@ Name:Grave Peril
 ManaCost:1 B
 Types:Enchantment
 T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Creature.nonBlack |TriggerZones$ Battlefield | Execute$ TrigSac | TriggerDescription$ When a nonblack creature enters the battlefield, sacrifice Grave Peril. If you do, destroy that creature.
-SVar:TrigSac:DB$ SacrificeAll | Defined$ Self | SubAbility$ DBDestroy | RememberSacrificed$ True
-SVar:DBDestroy:DB$ Destroy | Defined$ TriggeredCardLKICopy | ConditionDefined$ Remembered | ConditionPresent$ Card | SubAbility$ DBCleanup
+SVar:TrigSac:AB$ Destroy | Defined$ TriggeredCardLKICopy | Cost$ Sac<1/CARDNAME> | CostMandatory$ True
 SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
 SVar:NonStackingEffect:True
 AI:RemoveDeck:Random
diff --git a/forge-gui/res/cardsfolder/h/hazorets_monument.txt b/forge-gui/res/cardsfolder/h/hazorets_monument.txt
index 23e48f0344a..4f981c68bdf 100644
--- a/forge-gui/res/cardsfolder/h/hazorets_monument.txt
+++ b/forge-gui/res/cardsfolder/h/hazorets_monument.txt
@@ -3,9 +3,7 @@ ManaCost:3
 Types:Legendary Artifact
 S:Mode$ ReduceCost | ValidCard$ Creature.Red | Type$ Spell | Activator$ You | Amount$ 1 | Description$ Red creature spells you cast cost {1} less to cast.
 T:Mode$ SpellCast | ValidCard$ Creature | ValidActivatingPlayer$ You | Execute$ TrigDiscard | TriggerZones$ Battlefield | TriggerDescription$ Whenever you cast a creature spell, you may discard a card. If you do, draw a card.
-SVar:TrigDiscard:DB$ Discard | Defined$ You | NumCards$ 1 | Mode$ TgtChoose | RememberDiscarded$ True | Optional$ True | SubAbility$ DBDraw
-SVar:DBDraw:DB$ Draw | NumCards$ 1 | ConditionDefined$ Remembered | ConditionPresent$ Card | ConditionCompare$ GE1 | SubAbility$ DBCleanup
-SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
+SVar:TrigDiscard:AB$ Discard | Defined$ You | NumCards$ 1 | Mode$ TgtChoose | Cost$ Discard<1/Card>
 DeckNeeds:Color$Red
 SVar:Picture:http://www.wizards.com/global/images/magic/general/hazorets_monument.jpg
 Oracle:Red creature spells you cast cost {1} less to cast.\nWhenever you cast a creature spell, you may discard a card. If you do, draw a card.
diff --git a/forge-gui/res/cardsfolder/i/izzet_keyrune.txt b/forge-gui/res/cardsfolder/i/izzet_keyrune.txt
index 413f58067a9..094159528fb 100644
--- a/forge-gui/res/cardsfolder/i/izzet_keyrune.txt
+++ b/forge-gui/res/cardsfolder/i/izzet_keyrune.txt
@@ -4,9 +4,8 @@ Types:Artifact
 A:AB$ Mana | Cost$ T | Produced$ U | SpellDescription$ Add {U}.
 A:AB$ Mana | Cost$ T | Produced$ R | SpellDescription$ Add {R}.
 A:AB$ Animate | Cost$ U R | Defined$ Self | Power$ 2 | Toughness$ 1 | Types$ Artifact,Creature,Elemental | Colors$ Blue,Red | SpellDescription$ Until end of turn, CARDNAME becomes a 2/1 blue and red Elemental artifact creature.
-T:Mode$ DamageDone | ValidSource$ Card.Self | ValidTarget$ Player | CombatDamage$ True | Execute$ TrigLoot | OptionalDecider$ You | TriggerDescription$ Whenever CARDNAME deals combat damage to a player, you may draw a card. If you do, discard a card.
-SVar:TrigLoot:DB$Draw | NumCards$ 1 | SubAbility$ DBDiscard
-SVar:DBDiscard:DB$Discard | Defined$ You | Mode$ TgtChoose | NumCards$ 1
+T:Mode$ DamageDone | ValidSource$ Card.Self | ValidTarget$ Player | CombatDamage$ True | Execute$ TrigLoot | TriggerDescription$ Whenever CARDNAME deals combat damage to a player, you may draw a card. If you do, discard a card.
+SVar:TrigLoot:AB$ Discard | Defined$ You | Mode$ TgtChoose | NumCards$ 1 | Cost$ Draw<1/You>
 AI:RemoveDeck:Random
 DeckNeeds:Color$Blue|Red
 SVar:Picture:http://www.wizards.com/global/images/magic/general/izzet_keyrune.jpg
diff --git a/forge-gui/res/cardsfolder/j/jeskai_ascendancy.txt b/forge-gui/res/cardsfolder/j/jeskai_ascendancy.txt
index 5447810ea5a..4e357f7c18e 100644
--- a/forge-gui/res/cardsfolder/j/jeskai_ascendancy.txt
+++ b/forge-gui/res/cardsfolder/j/jeskai_ascendancy.txt
@@ -2,11 +2,10 @@ Name:Jeskai Ascendancy
 ManaCost:U R W
 Types:Enchantment
 T:Mode$ SpellCast | ValidCard$ Card.nonCreature | ValidActivatingPlayer$ You | TriggerZones$ Battlefield | Execute$ TrigPumpAll | TriggerDescription$ Whenever you cast a noncreature spell, creatures you control get +1/+1 until end of turn. Untap those creatures.
-T:Mode$ SpellCast | ValidCard$ Card.nonCreature | ValidActivatingPlayer$ You | TriggerZones$ Battlefield | Execute$ TrigLoot | OptionalDecider$ You | TriggerDescription$ Whenever you cast a noncreature spell, you may draw a card. If you do, discard a card.
+T:Mode$ SpellCast | ValidCard$ Card.nonCreature | ValidActivatingPlayer$ You | TriggerZones$ Battlefield | Execute$ TrigLoot | TriggerDescription$ Whenever you cast a noncreature spell, you may draw a card. If you do, discard a card.
 SVar:TrigPumpAll:DB$ PumpAll | ValidCards$ Creature.YouCtrl | NumAtt$ 1 | NumDef$ 1 | SubAbility$ TrigUntapAll
 SVar:TrigUntapAll:DB$ UntapAll | ValidCards$ Creature.YouCtrl
-SVar:TrigLoot:DB$Draw | NumCards$ 1 | SubAbility$ DBDiscard
-SVar:DBDiscard:DB$Discard | Defined$ You | Mode$ TgtChoose | NumCards$ 1
+SVar:TrigLoot:AB$ Discard | Defined$ You | Mode$ TgtChoose | NumCards$ 1 | Cost$ Draw<1/You>
 SVar:BuffedBy:Card.nonCreature+nonLand
 SVar:Picture:http://www.wizards.com/global/images/magic/general/jeskai_ascendancy.jpg
 Oracle:Whenever you cast a noncreature spell, creatures you control get +1/+1 until end of turn. Untap those creatures.\nWhenever you cast a noncreature spell, you may draw a card. If you do, discard a card.
diff --git a/forge-gui/res/cardsfolder/j/jeskai_elder.txt b/forge-gui/res/cardsfolder/j/jeskai_elder.txt
index d217c58bc04..f9ddadfc912 100644
--- a/forge-gui/res/cardsfolder/j/jeskai_elder.txt
+++ b/forge-gui/res/cardsfolder/j/jeskai_elder.txt
@@ -3,8 +3,7 @@ ManaCost:1 U
 Types:Creature Human Monk
 PT:1/2
 K:Prowess
-T:Mode$ DamageDone | ValidSource$ Card.Self | ValidTarget$ Player | CombatDamage$ True | Execute$ TrigLoot | OptionalDecider$ You | TriggerDescription$ Whenever CARDNAME deals combat damage to a player, you may draw a card. If you do, discard a card.
-SVar:TrigLoot:DB$Draw | NumCards$ 1 | SubAbility$ DBDiscard
-SVar:DBDiscard:DB$Discard | Defined$ You | Mode$ TgtChoose | NumCards$ 1
+T:Mode$ DamageDone | ValidSource$ Card.Self | ValidTarget$ Player | CombatDamage$ True | Execute$ TrigLoot | TriggerDescription$ Whenever CARDNAME deals combat damage to a player, you may draw a card. If you do, discard a card.
+SVar:TrigLoot:AB$ Discard | Defined$ You | Mode$ TgtChoose | NumCards$ 1 | Cost$ Draw<1/You>
 SVar:Picture:http://www.wizards.com/global/images/magic/general/jeskai_elder.jpg
 Oracle:Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)\nWhenever Jeskai Elder deals combat damage to a player, you may draw a card. If you do, discard a card.
diff --git a/forge-gui/res/cardsfolder/k/keldon_raider.txt b/forge-gui/res/cardsfolder/k/keldon_raider.txt
index 7b935cc7afc..51bb1b78bd1 100644
--- a/forge-gui/res/cardsfolder/k/keldon_raider.txt
+++ b/forge-gui/res/cardsfolder/k/keldon_raider.txt
@@ -3,8 +3,6 @@ ManaCost:2 R R
 Types:Creature Human Warrior
 PT:4/3
 T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Creature.Self | Execute$ TrigDiscard | TriggerDescription$ When CARDNAME enters the battlefield, you may discard a card. If you do, draw a card.
-SVar:TrigDiscard:DB$ Discard | NumCards$ 1 | Mode$ TgtChoose | Optional$ True | RememberDiscarded$ True | SubAbility$ DBDraw
-SVar:DBDraw:DB$ Draw | NumCards$ 1 | ConditionCheckSVar$ X | ConditionSVarCompare$ EQ1 | SubAbility$ DBCleanup
-SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
+SVar:TrigDiscard:AB$ Draw | NumCards$ 1 | Cost$ Discard<1/Card>
 SVar:X:Remembered$Amount
 Oracle:When Keldon Raider enters the battlefield, you may discard a card. If you do, draw a card.
diff --git a/forge-gui/res/cardsfolder/l/lamplighter_of_selhoff.txt b/forge-gui/res/cardsfolder/l/lamplighter_of_selhoff.txt
index b91d4965785..f97e65e20aa 100644
--- a/forge-gui/res/cardsfolder/l/lamplighter_of_selhoff.txt
+++ b/forge-gui/res/cardsfolder/l/lamplighter_of_selhoff.txt
@@ -2,9 +2,8 @@ Name:Lamplighter of Selhoff
 ManaCost:4 U
 Types:Creature Zombie Horror
 PT:3/5
-T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | IsPresent$ Permanent.Zombie+Other+YouCtrl | OptionalDecider$ You | Execute$ TrigDraw | TriggerDescription$ When CARDNAME enters the battlefield, if you control another Zombie, you may draw a card. If you do, discard a card.
-SVar:TrigDraw:DB$Draw | Defined$ You | NumCards$ 1 | SubAbility$ DBDiscard
-SVar:DBDiscard:DB$Discard | Defined$ You | NumCards$ 1 | Mode$ TgtChoose
+T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | IsPresent$ Permanent.Zombie+Other+YouCtrl | Execute$ TrigDraw | TriggerDescription$ When CARDNAME enters the battlefield, if you control another Zombie, you may draw a card. If you do, discard a card.
+SVar:TrigDraw:AB$ Discard | Defined$ You | NumCards$ 1 | Mode$ TgtChoose | Cost$ Draw<1/You>
 DeckHints:Type$Zombie
 SVar:Picture:http://www.wizards.com/global/images/magic/general/lamplighter_of_selhoff.jpg
 Oracle:When Lamplighter of Selhoff enters the battlefield, if you control another Zombie, you may draw a card. If you do, discard a card.
diff --git a/forge-gui/res/cardsfolder/m/mask_of_memory.txt b/forge-gui/res/cardsfolder/m/mask_of_memory.txt
index efca65d7859..07fa17cf9f1 100644
--- a/forge-gui/res/cardsfolder/m/mask_of_memory.txt
+++ b/forge-gui/res/cardsfolder/m/mask_of_memory.txt
@@ -2,8 +2,7 @@ Name:Mask of Memory
 ManaCost:2
 Types:Artifact Equipment
 K:Equip:1
-T:Mode$ DamageDone | ValidSource$ Creature.AttachedBy | ValidTarget$ Player | CombatDamage$ True | Execute$ TrigLoot | OptionalDecider$ You | TriggerZones$ Battlefield | TriggerDescription$ Whenever equipped creature deals combat damage to a player, you may draw two cards. If you do, discard a card.
-SVar:TrigLoot:DB$Draw | NumCards$ 2 | SubAbility$ DBDiscard
-SVar:DBDiscard:DB$Discard | Defined$ You | Mode$ TgtChoose | NumCards$ 1
+T:Mode$ DamageDone | ValidSource$ Creature.AttachedBy | ValidTarget$ Player | CombatDamage$ True | Execute$ TrigLoot | TriggerZones$ Battlefield | TriggerDescription$ Whenever equipped creature deals combat damage to a player, you may draw two cards. If you do, discard a card.
+SVar:TrigLoot:AB$ Discard | Defined$ You | Mode$ TgtChoose | NumCards$ 1 | Cost$ Draw<2/You>
 SVar:Picture:http://www.wizards.com/global/images/magic/general/mask_of_memory.jpg
 Oracle:Whenever equipped creature deals combat damage to a player, you may draw two cards. If you do, discard a card.\nEquip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)
diff --git a/forge-gui/res/cardsfolder/m/minotaur_explorer.txt b/forge-gui/res/cardsfolder/m/minotaur_explorer.txt
index 9afb763ddc3..069b819eb1e 100644
--- a/forge-gui/res/cardsfolder/m/minotaur_explorer.txt
+++ b/forge-gui/res/cardsfolder/m/minotaur_explorer.txt
@@ -2,11 +2,8 @@ Name:Minotaur Explorer
 ManaCost:1 R
 Types:Creature Minotaur Scout
 PT:3/3
-T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | Execute$ TrigDiscard | TriggerDescription$ When CARDNAME enters the battlefield, sacrifice it unless you discard a card at random.
-SVar:TrigDiscard:DB$ Discard | NumCards$ 1 | Mode$ Random | Optional$ True | RememberDiscarded$ True | SubAbility$ DBSacrifice
-SVar:DBSacrifice:DB$ Sacrifice | ConditionCheckSVar$ X | ConditionSVarCompare$ EQ0 | SubAbility$ DBCleanup
-SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
-SVar:X:Remembered$Amount
+T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | Execute$ TrigSac | TriggerDescription$ When CARDNAME enters the battlefield, sacrifice it unless you discard a card at random.
+SVar:TrigSac:DB$ Sacrifice | SacValid$ Self | UnlessCost$ Discard<1/Random> | UnlessPayer$ You
 SVar:NeedsToPlayVar:Y GE2
 SVar:Y:Count$InYourHand
 SVar:Picture:http://resources.wizards.com/magic/cards/od/en-us/card31786.jpg
diff --git a/forge-gui/res/cardsfolder/m/mortal_obstinacy.txt b/forge-gui/res/cardsfolder/m/mortal_obstinacy.txt
index 0134f508d04..351906ef8e6 100644
--- a/forge-gui/res/cardsfolder/m/mortal_obstinacy.txt
+++ b/forge-gui/res/cardsfolder/m/mortal_obstinacy.txt
@@ -4,7 +4,7 @@ Types:Enchantment Aura
 K:Enchant creature you control
 A:SP$ Attach | Cost$ W | ValidTgts$ Creature.YouCtrl | TgtPrompt$ Select target creature you control | AILogic$ Pump
 S:Mode$ Continuous | Affected$ Creature.EnchantedBy | AddPower$ 1 | AddToughness$ 1 | Description$ Enchanted creature gets +1/+1.
-T:Mode$ DamageDone | ValidSource$ Card.EnchantedBy | ValidTarget$ Player | Execute$ TrigDestroy| CombatDamage$ True | TriggerDescription$ Whenever enchanted creature deals combat damage to a player, you may sacrifice CARDNAME. If you do, destroy target enchantment.
+T:Mode$ DamageDone | ValidSource$ Card.EnchantedBy | ValidTarget$ Player | Execute$ TrigDestroy | CombatDamage$ True | TriggerDescription$ Whenever enchanted creature deals combat damage to a player, you may sacrifice CARDNAME. If you do, destroy target enchantment.
 SVar:TrigDestroy:AB$ Destroy | Cost$ Sac<1/CARDNAME> | ValidTgts$ Enchantment | TgtPrompt$ Select target enchantment
 SVar:Picture:http://www.wizards.com/global/images/magic/general/mortal_obstinacy.jpg
 Oracle:Enchant creature you control\nEnchanted creature gets +1/+1.\nWhenever enchanted creature deals combat damage to a player, you may sacrifice Mortal Obstinacy. If you do, destroy target enchantment.
diff --git a/forge-gui/res/cardsfolder/m/murder_of_crows.txt b/forge-gui/res/cardsfolder/m/murder_of_crows.txt
index 521d9a6ba29..c9dd20abef4 100644
--- a/forge-gui/res/cardsfolder/m/murder_of_crows.txt
+++ b/forge-gui/res/cardsfolder/m/murder_of_crows.txt
@@ -3,8 +3,7 @@ ManaCost:3 U U
 Types:Creature Bird
 PT:4/4
 K:Flying
-T:Mode$ ChangesZone | Origin$ Battlefield | Destination$ Graveyard | ValidCard$ Creature.Other | TriggerZones$ Battlefield | Execute$ TrigLoot | TriggerZones$ Battlefield | OptionalDecider$ You | TriggerDescription$ Whenever another creature dies, you may draw a card. If you do, discard a card.
-SVar:TrigLoot:DB$Draw | NumCards$ 1 | SubAbility$ DBDiscard
-SVar:DBDiscard:DB$Discard | Defined$ You | Mode$ TgtChoose | NumCards$ 1
+T:Mode$ ChangesZone | Origin$ Battlefield | Destination$ Graveyard | ValidCard$ Creature.Other | TriggerZones$ Battlefield | Execute$ TrigLoot | TriggerZones$ Battlefield | TriggerDescription$ Whenever another creature dies, you may draw a card. If you do, discard a card.
+SVar:TrigLoot:AB$ Discard | Defined$ You | Mode$ TgtChoose | NumCards$ 1 | Cost$ Draw<1/You>
 SVar:Picture:http://www.wizards.com/global/images/magic/general/murder_of_crows.jpg
 Oracle:Flying\nWhenever another creature dies, you may draw a card. If you do, discard a card.
diff --git a/forge-gui/res/cardsfolder/p/pillaging_horde.txt b/forge-gui/res/cardsfolder/p/pillaging_horde.txt
index 2e80cc30580..b049d02ebf1 100644
--- a/forge-gui/res/cardsfolder/p/pillaging_horde.txt
+++ b/forge-gui/res/cardsfolder/p/pillaging_horde.txt
@@ -2,10 +2,8 @@ Name:Pillaging Horde
 ManaCost:2 R R
 Types:Creature Human Barbarian
 PT:5/5
-T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | Execute$ TrigDiscard | TriggerDescription$ When CARDNAME enters the battlefield, sacrifice it unless you discard a card at random.
-SVar:TrigDiscard:DB$ Discard | NumCards$ 1 | Mode$ Random | Optional$ True | RememberDiscarded$ True | SubAbility$ DBSacrifice
-SVar:DBSacrifice:DB$ Sacrifice | ConditionCheckSVar$ X | ConditionSVarCompare$ EQ0 | SubAbility$ DBCleanup
-SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
+T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | Execute$ TrigSac | TriggerDescription$ When CARDNAME enters the battlefield, sacrifice it unless you discard a card at random.
+SVar:TrigSac:DB$ Sacrifice | SacValid$ Self | UnlessCost$ Discard<1/Random> | UnlessPayer$ You
 SVar:X:Remembered$Amount
 SVar:NeedsToPlayVar:Y GE2
 SVar:Y:Count$InYourHand
diff --git a/forge-gui/res/cardsfolder/p/promise_of_bunrei.txt b/forge-gui/res/cardsfolder/p/promise_of_bunrei.txt
index f3eadbd61bb..e24a4476751 100644
--- a/forge-gui/res/cardsfolder/p/promise_of_bunrei.txt
+++ b/forge-gui/res/cardsfolder/p/promise_of_bunrei.txt
@@ -2,7 +2,5 @@ Name:Promise of Bunrei
 ManaCost:2 W
 Types:Enchantment
 T:Mode$ ChangesZone | ValidCard$ Creature.YouCtrl | Origin$ Battlefield | Destination$ Graveyard | Execute$ TrigSac | TriggerZones$ Battlefield | TriggerDescription$ When a creature you control dies, sacrifice CARDNAME. If you do, create four 1/1 colorless Spirit creature tokens.
-SVar:TrigSac:DB$ SacrificeAll | Defined$ Self | RememberSacrificed$ True | SubAbility$ DBToken
-SVar:DBToken:DB$ Token | TokenAmount$ 4 | TokenScript$ c_1_1_spirit | TokenOwner$ You | LegacyImage$ c 1 1 spirit sok | ConditionDefined$ Remembered | ConditionPresent$ Card | SubAbility$ DBCleanup
-SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
+SVar:TrigSac:AB$ Token | TokenAmount$ 4 | TokenScript$ c_1_1_spirit | TokenOwner$ You | LegacyImage$ c 1 1 spirit sok | Cost$ Sac<1/CARDNAME> | CostMandatory$ True
 Oracle:When a creature you control dies, sacrifice Promise of Bunrei. If you do, create four 1/1 colorless Spirit creature tokens.
diff --git a/forge-gui/res/cardsfolder/r/reckless_racer.txt b/forge-gui/res/cardsfolder/r/reckless_racer.txt
index 7c2c60c6cac..249df800f9e 100644
--- a/forge-gui/res/cardsfolder/r/reckless_racer.txt
+++ b/forge-gui/res/cardsfolder/r/reckless_racer.txt
@@ -4,8 +4,6 @@ Types:Creature Human Pilot
 PT:2/3
 K:First Strike
 T:Mode$ Taps | ValidCard$ Card.Self | OptionalDecider$ You | Execute$ TrigDiscard | TriggerDescription$ Whenever CARDNAME becomes tapped, you may discard a card. If you do, draw a card.
-SVar:TrigDiscard:DB$ Discard | Defined$ You | NumCards$ 1 | Mode$ TgtChoose | RememberDiscarded$ True | SubAbility$ DBDraw
-SVar:DBDraw:DB$ Draw | NumCards$ 1 | ConditionDefined$ Remembered | ConditionPresent$ Card | ConditionCompare$ GE1 | SubAbility$ DBCleanup
-SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True 
+SVar:TrigDiscard:AB$ Draw | NumCards$ 1 | Cost$ Discard<1/Card>
 SVar:Picture:http://www.wizards.com/global/images/magic/general/reckless_racer.jpg
 Oracle:First strike\nWhenever Reckless Racer becomes tapped, you may discard a card. If you do, draw a card.
\ No newline at end of file
diff --git a/forge-gui/res/cardsfolder/r/riddlesmith.txt b/forge-gui/res/cardsfolder/r/riddlesmith.txt
index 8eb1a59c874..ee9ce54dadf 100644
--- a/forge-gui/res/cardsfolder/r/riddlesmith.txt
+++ b/forge-gui/res/cardsfolder/r/riddlesmith.txt
@@ -2,9 +2,8 @@ Name:Riddlesmith
 ManaCost:1 U
 Types:Creature Human Artificer
 PT:2/1
-T:Mode$ SpellCast | ValidCard$ Artifact | ValidActivatingPlayer$ You | Execute$ TrigLoot | TriggerZones$ Battlefield | OptionalDecider$ You | TriggerDescription$ Whenever you cast an artifact spell, you may draw a card. If you do, discard a card.
-SVar:TrigLoot:DB$Draw | NumCards$ 1 | SubAbility$ DBDiscard
-SVar:DBDiscard:DB$Discard | Defined$ You | Mode$ TgtChoose | NumCards$ 1
+T:Mode$ SpellCast | ValidCard$ Artifact | ValidActivatingPlayer$ You | Execute$ TrigLoot | TriggerZones$ Battlefield | TriggerDescription$ Whenever you cast an artifact spell, you may draw a card. If you do, discard a card.
+SVar:TrigLoot:AB$ Discard | Defined$ You | Mode$ TgtChoose | NumCards$ 1 | Cost$ Draw<1/You>
 AI:RemoveDeck:Random
 SVar:Picture:http://www.wizards.com/global/images/magic/general/riddlesmith.jpg
 Oracle:Whenever you cast an artifact spell, you may draw a card. If you do, discard a card.
diff --git a/forge-gui/res/cardsfolder/s/sage_of_the_falls.txt b/forge-gui/res/cardsfolder/s/sage_of_the_falls.txt
index 24c4cf4ef12..f27a147b5f8 100644
--- a/forge-gui/res/cardsfolder/s/sage_of_the_falls.txt
+++ b/forge-gui/res/cardsfolder/s/sage_of_the_falls.txt
@@ -4,6 +4,5 @@ Types:Creature Merfolk Wizard
 PT:2/5
 T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | Execute$ TrigLoot | OptionalDecider$ You | TriggerDescription$ Whenever CARDNAME or another non-Human creature enters the battlefield under your control, you may draw a card. If you do, discard a card.
 T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Creature.nonHuman+Other+YouCtrl | TriggerZones$ Battlefield | Execute$ TrigLoot | OptionalDecider$ You | Secondary$ True | TriggerDescription$ Whenever CARDNAME or another non-Human creature enters the battlefield under your control, you may draw a card. If you do, discard a card.
-SVar:TrigLoot:DB$ Draw | NumCards$ 1 | SubAbility$ DBDiscard
-SVar:DBDiscard:DB$ Discard | Defined$ You | Mode$ TgtChoose | NumCards$ 1
+SVar:TrigLoot:AB$ Discard | Defined$ You | Mode$ TgtChoose | NumCards$ 1 | Cost$ Draw<1/You>
 Oracle:Whenever Sage of the Falls or another non-Human creature enters the battlefield under your control, you may draw a card. If you do, discard a card.
diff --git a/forge-gui/res/cardsfolder/s/salvage_drone.txt b/forge-gui/res/cardsfolder/s/salvage_drone.txt
index ec8a9d9bbc9..b99ddd5fc98 100644
--- a/forge-gui/res/cardsfolder/s/salvage_drone.txt
+++ b/forge-gui/res/cardsfolder/s/salvage_drone.txt
@@ -4,9 +4,8 @@ Types:Creature Eldrazi Drone
 PT:1/1
 K:Devoid
 K:Ingest
-T:Mode$ ChangesZone | Origin$ Battlefield | Destination$ Graveyard | ValidCard$ Card.Self | TriggerZones$ Battlefield | Execute$ TrigLoot | OptionalDecider$ You | TriggerDescription$ When CARDNAME dies, you may draw a card. If you do, discard a card.
-SVar:TrigLoot:DB$Draw | NumCards$ 1 | SubAbility$ DBDiscard
-SVar:DBDiscard:DB$Discard | Defined$ You | Mode$ TgtChoose | NumCards$ 1
+T:Mode$ ChangesZone | Origin$ Battlefield | Destination$ Graveyard | ValidCard$ Card.Self | TriggerZones$ Battlefield | Execute$ TrigLoot | TriggerDescription$ When CARDNAME dies, you may draw a card. If you do, discard a card.
+SVar:TrigLoot:AB$ Discard | Defined$ You | Mode$ TgtChoose | NumCards$ 1 | Cost$ Draw<1/You>
 DeckHints:Type$Processor
 SVar:Picture:http://www.wizards.com/global/images/magic/general/salvage_drone.jpg
 Oracle:Devoid (This card has no color.)\nIngest (Whenever this creature deals combat damage to a player, that player exiles the top card of their library.)\nWhen Salvage Drone dies, you may draw a card. If you do, discard a card.
diff --git a/forge-gui/res/cardsfolder/s/shipwreck_looter.txt b/forge-gui/res/cardsfolder/s/shipwreck_looter.txt
index 3c1988ab0bc..10838966237 100644
--- a/forge-gui/res/cardsfolder/s/shipwreck_looter.txt
+++ b/forge-gui/res/cardsfolder/s/shipwreck_looter.txt
@@ -2,8 +2,7 @@ Name:Shipwreck Looter
 ManaCost:1 U
 Types:Creature Human Pirate
 PT:2/1
-T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | CheckSVar$ RaidTest | Execute$ TrigDraw | OptionalDecider$ You | TriggerDescription$ Raid — When CARDNAME enters the battlefield, if you attacked this turn, you may draw a card. If you do, discard a card.
-SVar:TrigDraw:DB$Draw | Defined$ You | NumCards$ 1 | SubAbility$ DBDiscard
-SVar:DBDiscard:DB$Discard | Defined$ You | NumCards$ 1 | Mode$ TgtChoose
+T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | CheckSVar$ RaidTest | Execute$ TrigDraw | TriggerDescription$ Raid — When CARDNAME enters the battlefield, if you attacked this turn, you may draw a card. If you do, discard a card.
+SVar:TrigDraw:AB$ Discard | Defined$ You | NumCards$ 1 | Mode$ TgtChoose | Cost$ Draw<1/You>
 SVar:RaidTest:Count$AttackersDeclared
 Oracle:Raid — When Shipwreck Looter enters the battlefield, if you attacked this turn, you may draw a card. If you do, discard a card.
diff --git a/forge-gui/res/cardsfolder/s/shoal_kraken.txt b/forge-gui/res/cardsfolder/s/shoal_kraken.txt
index a59d513e294..af8a01e449a 100755
--- a/forge-gui/res/cardsfolder/s/shoal_kraken.txt
+++ b/forge-gui/res/cardsfolder/s/shoal_kraken.txt
@@ -2,8 +2,7 @@ Name:Shoal Kraken
 ManaCost:4 U
 Types:Creature Kraken
 PT:3/5
-T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Enchantment.YouCtrl | TriggerZones$ Battlefield | OptionalDecider$ You | Execute$ TrigDraw | TriggerDescription$ Constellation - Whenever an enchantment enters the battlefield under your control, you may a draw card. If you do, discard a card.
-SVar:TrigDraw:DB$ Draw | Defined$ You | NumCards$ 1 | SubAbility$ DBDiscard
-SVar:DBDiscard:DB$ Discard | Defined$ You | Mode$ TgtChoose | NumCards$ 1
+T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Enchantment.YouCtrl | TriggerZones$ Battlefield | Execute$ TrigDraw | TriggerDescription$ Constellation - Whenever an enchantment enters the battlefield under your control, you may a draw card. If you do, discard a card.
+SVar:TrigDraw:AB$ Discard | Defined$ You | Mode$ TgtChoose | NumCards$ 1 | Cost$ Draw<1/You>
 DeckNeeds:Type$Enchantment
 Oracle:Constellation — Whenever an enchantment enters the battlefield under your control, you may draw a card. If you do, discard a card.
diff --git a/forge-gui/res/cardsfolder/s/skeleton_key.txt b/forge-gui/res/cardsfolder/s/skeleton_key.txt
index bd6aae3714f..2a8f7a6cd1f 100644
--- a/forge-gui/res/cardsfolder/s/skeleton_key.txt
+++ b/forge-gui/res/cardsfolder/s/skeleton_key.txt
@@ -2,9 +2,8 @@ Name:Skeleton Key
 ManaCost:1
 Types:Artifact Equipment
 S:Mode$ Continuous | Affected$ Creature.EquippedBy | AddKeyword$ Skulk | Description$ Equipped creature has skulk. (It can't be blocked by creatures with greater power.)
-T:Mode$ DamageDone | ValidSource$ Creature.EquippedBy | ValidTarget$ Player | CombatDamage$ True | OptionalDecider$ You | Execute$ TrigDraw | TriggerZones$ Battlefield | TriggerDescription$ Whenever equipped creature deals combat damage to a player, you may draw a card. If you do, discard a card.
-SVar:TrigDraw:DB$ Draw | Defined$ You | NumCards$ 1 | SubAbility$ DBDiscard
-SVar:DBDiscard:DB$ Discard | Defined$ You | NumCards$ 1 | Mode$ TgtChoose
+T:Mode$ DamageDone | ValidSource$ Creature.EquippedBy | ValidTarget$ Player | CombatDamage$ True | Execute$ TrigDraw | TriggerZones$ Battlefield | TriggerDescription$ Whenever equipped creature deals combat damage to a player, you may draw a card. If you do, discard a card.
+SVar:TrigDraw:AB$ Discard | Defined$ You | NumCards$ 1 | Mode$ TgtChoose | Cost$ Draw<1/You>
 K:Equip:2
 DeckHas:Ability$Discard
 DeckHints:Keyword$Madness & Ability$Delirium
diff --git a/forge-gui/res/cardsfolder/s/smugglers_copter.txt b/forge-gui/res/cardsfolder/s/smugglers_copter.txt
index 054727674af..a265b0b511b 100644
--- a/forge-gui/res/cardsfolder/s/smugglers_copter.txt
+++ b/forge-gui/res/cardsfolder/s/smugglers_copter.txt
@@ -3,10 +3,9 @@ ManaCost:2
 Types:Artifact Vehicle
 PT:3/3
 K:Flying
-T:Mode$ Attacks | ValidCard$ Card.Self | Execute$ TrigLoot | OptionalDecider$ You | TriggerDescription$ Whenever CARDNAME attacks or blocks, you may draw a card. If you do, discard a card.
-T:Mode$ Blocks | ValidCard$ Card.Self | Execute$ TrigLoot | OptionalDecider$ You | Secondary$ True | TriggerDescription$ Whenever CARDNAME attacks or blocks, you may draw a card. If you do, discard a card.
-SVar:TrigLoot:DB$ Draw | NumCards$ 1 | SubAbility$ DBDiscard
-SVar:DBDiscard:DB$ Discard | Defined$ You | Mode$ TgtChoose | NumCards$ 1
+T:Mode$ Attacks | ValidCard$ Card.Self | Execute$ TrigLoot | TriggerDescription$ Whenever CARDNAME attacks or blocks, you may draw a card. If you do, discard a card.
+T:Mode$ Blocks | ValidCard$ Card.Self | Execute$ TrigLoot | Secondary$ True | TriggerDescription$ Whenever CARDNAME attacks or blocks, you may draw a card. If you do, discard a card.
+SVar:TrigLoot:AB$ Discard | Defined$ You | Mode$ TgtChoose | NumCards$ 1 | Cost$ Draw<1/You>
 K:Crew:1
 SVar:Picture:http://www.wizards.com/global/images/magic/general/smugglers_copter.jpg
 Oracle:Flying\nWhenever Smuggler's Copter attacks or blocks, you may draw a card. If you do, discard a card.\nCrew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)
diff --git a/forge-gui/res/cardsfolder/s/standstill.txt b/forge-gui/res/cardsfolder/s/standstill.txt
index 3f466236530..5bfc6a1c472 100644
--- a/forge-gui/res/cardsfolder/s/standstill.txt
+++ b/forge-gui/res/cardsfolder/s/standstill.txt
@@ -2,9 +2,7 @@ Name:Standstill
 ManaCost:1 U
 Types:Enchantment
 T:Mode$ SpellCast | ValidActivatingPlayer$ Player | TriggerZones$ Battlefield | Execute$ TrigSac | TriggerDescription$ When a player casts a spell, sacrifice CARDNAME. If you do, each of that player's opponents draws three cards.
-SVar:TrigSac:DB$ Sacrifice | SacValid$ Self | RememberSacrificed$ True | SubAbility$ DrawOpp
-SVar:DrawOpp:DB$ Draw | NumCards$ 3 | Defined$ TriggeredCardOpponent | ConditionCheckSVar$ X | ConditionSVarCompare$ GE1 | SubAbility$ DBCleanup
-SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
+SVar:TrigSac:AB$ Draw | NumCards$ 3 | Cost$ Sac<1/CARDNAME> | CostMandatory$ True | Defined$ TriggeredCardOpponent
 SVar:X:Remembered$Amount
 SVar:Y:Count$Valid Creature.YouCtrl
 SVar:Z:Count$Valid Creature.OppCtrl
diff --git a/forge-gui/res/cardsfolder/s/surge_mare.txt b/forge-gui/res/cardsfolder/s/surge_mare.txt
index aa992d1aba4..88fd5ce255e 100644
--- a/forge-gui/res/cardsfolder/s/surge_mare.txt
+++ b/forge-gui/res/cardsfolder/s/surge_mare.txt
@@ -3,9 +3,8 @@ ManaCost:U U
 Types:Creature Horse Fish
 PT:0/5
 S:Mode$ CantBlockBy | ValidAttacker$ Creature.Self | ValidBlocker$ Creature.Green | Description$ CARDNAME can't be blocked by green creatures.
-T:Mode$ DamageDone | ValidSource$ Card.Self | ValidTarget$ Opponent | TriggerZones$ Battlefield | OptionalDecider$ You | Execute$ TrigDraw | TriggerDescription$ Whenever CARDNAME deals damage to an opponent, you may draw a card. If you do, discard a card.
-SVar:TrigDraw:DB$ Draw | Defined$ You | NumCards$ 1 | SubAbility$ DBDiscard
-SVar:DBDiscard:DB$ Discard | Defined$ You | NumCards$ 1 | Mode$ TgtChoose
+T:Mode$ DamageDone | ValidSource$ Card.Self | ValidTarget$ Opponent | TriggerZones$ Battlefield | Execute$ TrigDraw | TriggerDescription$ Whenever CARDNAME deals damage to an opponent, you may draw a card. If you do, discard a card.
+SVar:TrigDraw:AB$ Discard | Defined$ You | NumCards$ 1 | Mode$ TgtChoose | Cost$ Draw<1/You>
 A:AB$ Pump | Cost$ 1 U | ValidCard$ Card.Self | NumAtt$ +2 | NumDef$ -2 | SpellDescription$ CARDNAME gets +2/-2 until end of turn.
 DeckHas:Ability$Discard
 Oracle:Surge Mare can't be blocked by green creatures.\nWhenever Surge Mare deals damage to an opponent, you may draw a card. If you do, discard a card.\n{1}{U}: Surge Mare gets +2/-2 until end of turn.
\ No newline at end of file
diff --git a/forge-gui/res/cardsfolder/v/viashino_racketeer.txt b/forge-gui/res/cardsfolder/v/viashino_racketeer.txt
index 35be277b37e..a4c2ff54475 100644
--- a/forge-gui/res/cardsfolder/v/viashino_racketeer.txt
+++ b/forge-gui/res/cardsfolder/v/viashino_racketeer.txt
@@ -3,9 +3,7 @@ ManaCost:2 R
 Types:Creature Viashino Rogue
 PT:2/1
 T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Creature.Self | Execute$ TrigDiscard | TriggerDescription$ When CARDNAME enters the battlefield, you may discard a card. If you do, draw a card.
-SVar:TrigDiscard:DB$ Discard | NumCards$ 1 | Mode$ TgtChoose | Optional$ True | RememberDiscarded$ True | SubAbility$ DBDraw
-SVar:DBDraw:DB$ Draw | NumCards$ 1 | ConditionCheckSVar$ X | ConditionSVarCompare$ EQ1 | SubAbility$ DBCleanup
-SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
+SVar:TrigDiscard:AB$ Draw | NumCards$ 1 | Cost$ Discard<1/Card>
 SVar:X:Remembered$Amount
 SVar:Picture:http://www.wizards.com/global/images/magic/general/viashino_racketeer.jpg
 Oracle:When Viashino Racketeer enters the battlefield, you may discard a card. If you do, draw a card.
diff --git a/forge-gui/res/cardsfolder/w/wandering_champion.txt b/forge-gui/res/cardsfolder/w/wandering_champion.txt
index 8e0203fc569..217a24a3aa4 100644
--- a/forge-gui/res/cardsfolder/w/wandering_champion.txt
+++ b/forge-gui/res/cardsfolder/w/wandering_champion.txt
@@ -2,10 +2,8 @@ Name:Wandering Champion
 ManaCost:1 W
 Types:Creature Human Monk
 PT:3/1
-T:Mode$ DamageDone | ValidSource$ Card.Self | ValidTarget$ Player | IsPresent$ Permanent.Blue+YouCtrl,Permanent.Red+YouCtrl | CombatDamage$ True | Execute$ TrigDiscard | OptionalDecider$ You | TriggerDescription$ Whenever CARDNAME deals combat damage to a player, if you control a blue or red permanent, you may discard a card. If you do, draw a card.
-SVar:TrigDiscard:DB$ Discard | Defined$ You | NumCards$ 1 | Mode$ TgtChoose | RememberDiscarded$ True | SubAbility$ DBDraw
-SVar:DBDraw:DB$ Draw | NumCards$ 1 | ConditionDefined$ Remembered | ConditionPresent$ Card | ConditionCompare$ GE1 | SubAbility$ DBCleanup
-SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
+T:Mode$ DamageDone | ValidSource$ Card.Self | ValidTarget$ Player | IsPresent$ Permanent.Blue+YouCtrl,Permanent.Red+YouCtrl | CombatDamage$ True | Execute$ TrigDiscard | TriggerDescription$ Whenever CARDNAME deals combat damage to a player, if you control a blue or red permanent, you may discard a card. If you do, draw a card.
+SVar:TrigDiscard:AB$ Draw | NumCards$ 1 | Cost$ Discard<1/Card>
 DeckHints:Color$Blue|Red
 SVar:Picture:http://www.wizards.com/global/images/magic/general/wandering_champion.jpg
 Oracle:Whenever Wandering Champion deals combat damage to a player, if you control a blue or red permanent, you may discard a card. If you do, draw a card.
diff --git a/forge-gui/res/cardsfolder/w/wharf_infiltrator.txt b/forge-gui/res/cardsfolder/w/wharf_infiltrator.txt
index 4f69997d820..e210c27f852 100644
--- a/forge-gui/res/cardsfolder/w/wharf_infiltrator.txt
+++ b/forge-gui/res/cardsfolder/w/wharf_infiltrator.txt
@@ -3,9 +3,8 @@ ManaCost:1 U
 Types:Creature Human Horror
 PT:1/1
 K:Skulk
-T:Mode$ DamageDone | ValidSource$ Card.Self | ValidTarget$ Player | CombatDamage$ True | OptionalDecider$ You | Execute$ TrigDraw | TriggerDescription$ Whenever CARDNAME deals combat damage to a player, you may draw a card. If you do, discard a card.
-SVar:TrigDraw:DB$ Draw | Defined$ You | NumCards$ 1 | SubAbility$ DBDiscard
-SVar:DBDiscard:DB$ Discard | Defined$ You | NumCards$ 1 | Mode$ TgtChoose
+T:Mode$ DamageDone | ValidSource$ Card.Self | ValidTarget$ Player | CombatDamage$ True | Execute$ TrigDraw | TriggerDescription$ Whenever CARDNAME deals combat damage to a player, you may draw a card. If you do, discard a card.
+SVar:TrigDraw:AB$ Discard | Defined$ You | NumCards$ 1 | Mode$ TgtChoose | Cost$ Draw<1/You>
 T:Mode$ Discarded | ValidCard$ Creature.YouCtrl | TriggerZones$ Battlefield | Execute$ TrigToken | TriggerDescription$ Whenever you discard a creature card, you may pay {2}. If you do, create a 3/2 colorless Eldrazi Horror creature token.
 SVar:TrigToken:AB$ Token | Cost$ 2 | TokenAmount$ 1 | TokenScript$ c_3_2_eldrazi_horror | TokenOwner$ You | LegacyImage$ c 3 2 eldrazi horror emn
 DeckHas:Ability$Token & Ability$Discard
diff --git a/forge-gui/res/cardsfolder/w/windrider_wizard.txt b/forge-gui/res/cardsfolder/w/windrider_wizard.txt
index 26334907bef..8cea9047c69 100644
--- a/forge-gui/res/cardsfolder/w/windrider_wizard.txt
+++ b/forge-gui/res/cardsfolder/w/windrider_wizard.txt
@@ -3,8 +3,7 @@ ManaCost:2 U
 Types:Creature Human Wizard
 PT:2/2
 K:Flying
-T:Mode$ SpellCast | ValidCard$ Instant,Sorcery,Wizard | ValidActivatingPlayer$ You | TriggerZones$ Battlefield | Execute$ TrigLoot | OptionalDecider$ You | TriggerDescription$ Whenever you cast an instant, sorcery, or Wizard spell, you may draw a card. If you do, discard a card.
-SVar:TrigLoot:DB$ Draw | NumCards$ 1 | SubAbility$ DBDiscard
-SVar:DBDiscard:DB$ Discard | Defined$ You | Mode$ TgtChoose | NumCards$ 1
+T:Mode$ SpellCast | ValidCard$ Instant,Sorcery,Wizard | ValidActivatingPlayer$ You | TriggerZones$ Battlefield | Execute$ TrigLoot | TriggerDescription$ Whenever you cast an instant, sorcery, or Wizard spell, you may draw a card. If you do, discard a card.
+SVar:TrigLoot:AB$ Discard | Defined$ You | Mode$ TgtChoose | NumCards$ 1 | Cost$ Draw<1/You>
 DeckHints:Type$Instant|Sorcery|Wizard
 Oracle:Flying\nWhenever you cast an instant, sorcery, or Wizard spell, you may draw a card. If you do, discard a card.
diff --git a/forge-gui/src/main/java/forge/player/HumanCostDecision.java b/forge-gui/src/main/java/forge/player/HumanCostDecision.java
index ed69cdd0fd2..7968c9b8556 100644
--- a/forge-gui/src/main/java/forge/player/HumanCostDecision.java
+++ b/forge-gui/src/main/java/forge/player/HumanCostDecision.java
@@ -269,8 +269,7 @@ public class HumanCostDecision extends CostDecisionMakerBase {
             final CardCollection enoughType = CardLists.filter(list, CardPredicates.isOwner(p));
             if (enoughType.size() < c) {
                 list.removeAll((CardCollectionView)enoughType);
-            }
-            else {
+            } else {
                 payableZone.add(p);
             }
         }
@@ -437,9 +436,7 @@ public class HumanCostDecision extends CostDecisionMakerBase {
             if (source.getController() == ability.getActivatingPlayer() && source.isInPlay()) {
                 return player.getController().confirmPayment(cost, Localizer.getInstance().getMessage("lblExertCardConfirm", CardTranslation.getTranslatedName(source.getName())), ability) ? PaymentDecision.card(source) : null;
             }
-            else {
-                return null;
-            }
+            return null;
         }
 
         Integer c = cost.convertAmount();
@@ -782,8 +779,7 @@ public class HumanCostDecision extends CostDecisionMakerBase {
                 }
             };
             inp.setMessage(Localizer.getInstance().getMessage("lblSelectNCardOfSameColorToReveal", String.valueOf(num)));
-        }
-        else {
+        } else {
             Integer num = cost.convertAmount();
 
             CardCollectionView hand = player.getCardsIn(cost.getRevealFrom());
@@ -1027,11 +1023,9 @@ public class HumanCostDecision extends CostDecisionMakerBase {
 
         if (cost.payCostFromSource()) {
             if (source.getController() == ability.getActivatingPlayer() && source.isInPlay()) {
-                return player.getController().confirmPayment(cost, Localizer.getInstance().getMessage("lblSacrificeCardConfirm", CardTranslation.getTranslatedName(source.getName())), ability) ? PaymentDecision.card(source) : null;
-            }
-            else {
-                return null;
+                return ability.hasParam("CostMandatory") || player.getController().confirmPayment(cost, Localizer.getInstance().getMessage("lblSacrificeCardConfirm", CardTranslation.getTranslatedName(source.getName())), ability) ? PaymentDecision.card(source) : null;
             }
+            return null;
         }
 
         if (type.equals("OriginalHost")) {
@@ -1039,9 +1033,7 @@ public class HumanCostDecision extends CostDecisionMakerBase {
             if (host.getController() == ability.getActivatingPlayer() && host.isInPlay()) {
                 return player.getController().confirmPayment(cost, Localizer.getInstance().getMessage("lblSacrificeCardConfirm", CardTranslation.getTranslatedName(host.getName())), ability) ? PaymentDecision.card(host) : null;
             }
-            else {
-                return null;
-            }
+            return null;
         }
 
         if (amount.equals("All")) {
@@ -1209,8 +1201,6 @@ public class HumanCostDecision extends CostDecisionMakerBase {
 
     @Override
     public PaymentDecision visit(final CostUnattach cost) {
-        final Card source = ability.getHostCard();
-
         final Card cardToUnattach = cost.findCardToUnattach(source, player, ability);
         if (cardToUnattach != null && player.getController().confirmPayment(cost, Localizer.getInstance().getMessage("lblUnattachCardConfirm", CardTranslation.getTranslatedName(cardToUnattach.getName())), ability)) {
             return PaymentDecision.card(cardToUnattach);
diff --git a/forge-gui/src/main/java/forge/player/HumanPlay.java b/forge-gui/src/main/java/forge/player/HumanPlay.java
index a410e3e3006..760c9374e90 100644
--- a/forge-gui/src/main/java/forge/player/HumanPlay.java
+++ b/forge-gui/src/main/java/forge/player/HumanPlay.java
@@ -44,6 +44,7 @@ import forge.gamemodes.match.input.InputPayManaOfCostPayment;
 import forge.gamemodes.match.input.InputSelectCardsFromList;
 import forge.gui.FThreads;
 import forge.gui.util.SGuiChoose;
+import forge.util.Aggregates;
 import forge.util.Localizer;
 import forge.util.TextUtil;
 import forge.util.collect.FCollectionView;
@@ -565,15 +566,21 @@ public class HumanPlay {
                 if (!hasPaid) { return false; }
             }
             else if (part instanceof CostDiscard) {
+                int amount = getAmountFromPartX(part, source, sourceAbility);
                 if ("Hand".equals(part.getType())) {
                     if (!p.getController().confirmPayment(part, Localizer.getInstance().getMessage("lblDoYouWantDiscardYourHand"), sourceAbility)) {
                         return false;
                     }
 
                     ((CostDiscard)part).payAsDecided(p, PaymentDecision.card(p.getCardsIn(ZoneType.Hand)), sourceAbility);
+                } else if ("Random".equals(part.getType())) {
+                    if (!part.canPay(sourceAbility, p) || !p.getController().confirmPayment(part, Localizer.getInstance().getMessage("lblWouldYouLikeRandomDiscardTargetCard", amount), sourceAbility)) {
+                        return false;
+                    }
+
+                    ((CostDiscard)part).payAsDecided(p, (PaymentDecision.card(Aggregates.random(p.getCardsIn(ZoneType.Hand), amount, new CardCollection()))), sourceAbility);
                 } else {
                     CardCollectionView list = CardLists.getValidCards(p.getCardsIn(ZoneType.Hand), part.getType(), p, source, sourceAbility);
-                    int amount = getAmountFromPartX(part, source, sourceAbility);
                     boolean hasPaid = payCostPart(controller, p, sourceAbility, (CostPartWithList)part, amount, list, Localizer.getInstance().getMessage("lbldiscard") + orString);
                     if (!hasPaid) { return false; }
                 }