diff --git a/res/cardsfolder/f/falter.txt b/res/cardsfolder/f/falter.txt
index 1dd105d3aff..5bc7ed1b8c9 100644
--- a/res/cardsfolder/f/falter.txt
+++ b/res/cardsfolder/f/falter.txt
@@ -2,7 +2,7 @@ Name:Falter
 ManaCost:1 R
 Types:Instant
 Text:no text
-A:SP$ Effect | Cost$ 1 R | Name$ Falter Effect | StaticAbilities$ KWPump | SpellDescription$ Creatures without flying can't block this turn.
+A:SP$ Effect | Cost$ 1 R | Name$ Falter Effect | StaticAbilities$ KWPump | AILogic$ Evasion | SpellDescription$ Creatures without flying can't block this turn.
 SVar:KWPump:Mode$ Continuous | Affected$ Creature.withoutFlying | AddHiddenKeyword$ HIDDEN CARDNAME can't block. | Description$ Creatures without flying can't block this turn.
 SVar:PlayMain1:TRUE
 SVar:RemAIDeck:True
diff --git a/res/cardsfolder/g/gorilla_war_cry.txt b/res/cardsfolder/g/gorilla_war_cry.txt
index 7bf1eef1d34..542849aa284 100644
--- a/res/cardsfolder/g/gorilla_war_cry.txt
+++ b/res/cardsfolder/g/gorilla_war_cry.txt
@@ -2,7 +2,7 @@ Name:Gorilla War Cry
 ManaCost:1 R
 Types:Instant
 Text:no text
-A:SP$ Effect | Cost$ 1 R | Name$ Gorilla War Cry Effect | StaticAbilities$ Blocking | ActivationPhases$ BeginCombat->Declare Attackers - Play Instants and Abilities | SubAbility$ DBDraw | SpellDescription$ Cast CARDNAME only during combat before blockers are declared. Creatures can't be blocked this turn except by two or more creatures.
+A:SP$ Effect | Cost$ 1 R | Name$ Gorilla War Cry Effect | StaticAbilities$ Blocking | ActivationPhases$ BeginCombat->Declare Attackers - Play Instants and Abilities | AILogic$ Evasion | SubAbility$ DBDraw | SpellDescription$ Cast CARDNAME only during combat before blockers are declared. Creatures can't be blocked this turn except by two or more creatures.
 SVar:DBDraw:DB$Draw | NumCards$ 1 | NextUpkeep$ True | SpellDescription$ Draw a card at the beginning of the next upkeep.
 SVar:Blocking:Mode$ Continuous | Affected$ Creature | AddHiddenKeyword$ HIDDEN CARDNAME can't be blocked except by two or more creatures. | Description$ Creatures can't be blocked this turn except by two or more creatures.
 SVar:PlayMain1:TRUE
diff --git a/res/cardsfolder/r/ruthless_invasion.txt b/res/cardsfolder/r/ruthless_invasion.txt
index 1842bd4894a..1466c5aedc9 100644
--- a/res/cardsfolder/r/ruthless_invasion.txt
+++ b/res/cardsfolder/r/ruthless_invasion.txt
@@ -2,7 +2,7 @@ Name:Ruthless Invasion
 ManaCost:3 PR
 Types:Sorcery
 Text:no text
-A:SP$ Effect | Cost$ 3 PR | Name$ Ruthless Invasion Effect | StaticAbilities$ KWPump | SpellDescription$ Nonartifact creatures can't block this turn.
+A:SP$ Effect | Cost$ 3 PR | Name$ Ruthless Invasion Effect | StaticAbilities$ KWPump | AILogic$ Evasion | SpellDescription$ Nonartifact creatures can't block this turn.
 SVar:KWPump:Mode$ Continuous | Affected$ Creature.nonArtifact | AddKeyword$ CARDNAME can't block. | Description$ Nonartifact creatures can't block this turn.
 SVar:RemAIDeck:True
 SVar:Rarity:Common
diff --git a/src/main/java/forge/card/abilityfactory/AbilityFactoryEffect.java b/src/main/java/forge/card/abilityfactory/AbilityFactoryEffect.java
index cd2f5824376..dac21e9c6ed 100644
--- a/src/main/java/forge/card/abilityfactory/AbilityFactoryEffect.java
+++ b/src/main/java/forge/card/abilityfactory/AbilityFactoryEffect.java
@@ -24,6 +24,7 @@ import forge.AllZone;
 import forge.AllZoneUtil;
 import forge.Card;
 import forge.CardList;
+import forge.CardListFilter;
 import forge.CombatUtil;
 import forge.Command;
 import forge.ComputerUtil;
@@ -244,6 +245,26 @@ public class AbilityFactoryEffect {
                     return false;
                 }
                 randomReturn = CombatUtil.lifeInDanger(AllZone.getCombat());
+            } else if (logic.equals("Evasion")) {
+                CardList comp = AllZone.getComputerPlayer().getCardsIn(Zone.Battlefield).getType("Creature");
+                CardList human = AllZone.getHumanPlayer().getCardsIn(Zone.Battlefield).getType("Creature");
+
+                // only count creatures that can attack or block
+                comp = comp.filter(new CardListFilter() {
+                    @Override
+                    public boolean addCard(final Card c) {
+                        return CombatUtil.canAttack(c);
+                    }
+                });
+                human = human.filter(new CardListFilter() {
+                    @Override
+                    public boolean addCard(final Card c) {
+                        return CombatUtil.canBlock(c);
+                    }
+                });
+                if (comp.size() < 2 || human.size() < 1) {
+                    randomReturn = false;
+                }
             }
         }
 
diff --git a/src/main/java/forge/card/abilityfactory/AbilityFactoryPump.java b/src/main/java/forge/card/abilityfactory/AbilityFactoryPump.java
index b3fff182429..639ebe71dbc 100644
--- a/src/main/java/forge/card/abilityfactory/AbilityFactoryPump.java
+++ b/src/main/java/forge/card/abilityfactory/AbilityFactoryPump.java
@@ -1117,7 +1117,7 @@ public class AbilityFactoryPump {
         human = human.getValidCards(valid, this.hostCard.getController(), this.hostCard);
 
         // only count creatures that can attack
-        human = human.filter(new CardListFilter() {
+        comp = comp.filter(new CardListFilter() {
             @Override
             public boolean addCard(final Card c) {
                 return CombatUtil.canAttack(c) && !AbilityFactoryPump.this.abilityFactory.isCurse();