- Added Equipoise

.gitattributes

@@ -4801,6 +4801,7 @@ forge-gui/res/cardsfolder/e/epiphany_storm.txt -text
 forge-gui/res/cardsfolder/e/epochrasite.txt -text
 forge-gui/res/cardsfolder/e/equal_treatment.txt -text
 forge-gui/res/cardsfolder/e/equilibrium.txt svneol=native#text/plain
+forge-gui/res/cardsfolder/e/equipoise.txt -text
 forge-gui/res/cardsfolder/e/eradicate.txt svneol=native#text/plain
 forge-gui/res/cardsfolder/e/erase.txt svneol=native#text/plain
 forge-gui/res/cardsfolder/e/erayo_soratami_ascendant_erayos_essence.txt -text

forge-game/src/main/java/forge/game/ability/effects/ChooseCardEffect.java

@@ -59,6 +59,10 @@ public class ChooseCardEffect extends SpellAbilityEffect {
         final String numericAmount = sa.getParamOrDefault("Amount", "1");
         final int validAmount = StringUtils.isNumeric(numericAmount) ? Integer.parseInt(numericAmount) : CardFactoryUtil.xCount(host, host.getSVar(numericAmount));
 
+        if (validAmount <= 0) {
+            return;
+        }
+
         for (final Player p : tgtPlayers) {
             if (sa.hasParam("EachBasicType")) {
                 // Get all lands, 

forge-game/src/main/java/forge/game/ability/effects/CleanUpEffect.java

@@ -38,6 +38,9 @@ public class CleanUpEffect extends SpellAbilityEffect {
         if (sa.hasParam("ClearCoinFlips")) {
             source.clearFlipResult();
         }
+        if (sa.hasParam("ClearChosenCard")) {
+            source.getChosenCard().clear();
+        }
     }
 
 }

forge-gui/res/cardsfolder/e/equipoise.txt

@@ -0,0 +1,26 @@
+Name:Equipoise
+ManaCost:2 W
+Types:Enchantment
+T:Mode$ Phase | Phase$ Upkeep | ValidPlayer$ You | TriggerZones$ Battlefield | Execute$ TrigEquipoise | TriggerDescription$ At the beginning of your upkeep, for each land target player controls in excess of the number you control, choose a land he or she controls, then the chosen permanents phase out. Repeat this process for artifacts and creatures. (While they're phased out, they're treated as though they don't exist. They phase in before that player untaps during his or her next untap step.)
+SVar:TrigEquipoise:AB$ Pump | Cost$ 0 | ValidTgts$ Player | IsCurse$ True | RememberTargets$ True | SubAbility$ ChooseLand
+SVar:ChooseLand:DB$ ChooseCard | Choices$ Land.TargetedPlayerCtrl | Mandatory$ True | Amount$ LandX | ChoiceTitle$ Choose a land that player controls | SubAbility$ PhasesLand | References$ LandX,OppLand,YourLand,ExcessLand
+SVar:PhasesLand:DB$ Phases | Defined$ ChosenCard | SubAbility$ ChooseArtifact
+SVar:ChooseArtifact:DB$ ChooseCard | Choices$ Artifact.TargetedPlayerCtrl | Mandatory$ True | Amount$ ArtifactX | ChoiceTitle$ Choose a artifact that player controls | SubAbility$ PhasesArtifact | References$ ArtifactX,OppArtifact,YourArtifact,ExcessArtifact
+SVar:PhasesArtifact:DB$ Phases | Defined$ ChosenCard | SubAbility$ ChooseCreature
+SVar:ChooseCreature:DB$ ChooseCard | Choices$ Creature.TargetedPlayerCtrl | Mandatory$ True | Amount$ CreatureX | ChoiceTitle$ Choose a creature that player controls | SubAbility$ PhasesCreature | References$ CreatureX,OppCreature,YourCreature,ExcessCreature
+SVar:PhasesCreature:DB$ Phases | Defined$ ChosenCard | SubAbility$ DBCleanup
+SVar:DBCleanup:DB$ Cleanup | ClearChosenCard$ True | ClearRemembered$ True
+SVar:LandX:SVar$ExcessLand/LimitMin.0
+SVar:OppLand:Count$Valid Land.RememberedPlayerCtrl
+SVar:YourLand:Count$Valid Land.YouCtrl
+SVar:ExcessLand:SVar$OppLand/Minus.YourLand
+SVar:ArtifactX:SVar$ExcessArtifact/LimitMin.0
+SVar:OppArtifact:Count$Valid Artifact.RememberedPlayerCtrl
+SVar:YourArtifact:Count$Valid Artifact.YouCtrl
+SVar:ExcessArtifact:SVar$OppArtifact/Minus.YourArtifact
+SVar:CreatureX:SVar$ExcessCreature/LimitMin.0
+SVar:OppCreature:Count$Valid Creature.RememberedPlayerCtrl
+SVar:YourCreature:Count$Valid Creature.YouCtrl
+SVar:ExcessCreature:SVar$OppCreature/Minus.YourCreature
+SVar:Picture:http://www.wizards.com/global/images/magic/general/equipoise.jpg
+Oracle:At the beginning of your upkeep, for each land target player controls in excess of the number you control, choose a land he or she controls, then the chosen permanents phase out. Repeat this process for artifacts and creatures. (While they're phased out, they're treated as though they don't exist. They phase in before that player untaps during his or her next untap step.)