1) Deleted the entries form cards.txt that use this old version of the keyword "This card attacks each turn if able.":

Ashen Monstrosity
Battle-Mad Ronin
Berserkers of Blood Ridge
Bloodrock Cyclops
Bloodshed Fever
Crazed Goblin
Dauthi Slayer
Goblin Brigand
Juggernaut
Monstrous Carabid
Phyrexian Snowcrusher
Tattermunge Maniac
Tectonic Fiend
Thran War Machine
Ulamog's Crusher
Uncontrollable Anger
Urborg Drake
Utvara Scalper
2) Converted these 18 cards to use the new form "CARDNAME attacks each turn if able." and pasted these at the top of file at cards.txt.
3) Searched for and found the old version of the keyword and converted it to the new version in these files:
CardFactory_Auras.java
ComputerUtil_Attack2.java
GameActionUtil.java
Input_Attack_Planeswalker.java
Input_Attack.java

res/cards.txt

@@ -1,3 +1,141 @@
+Ashen Monstrosity
+5 R R
+Creature Spirit
+no text
+7/4
+Haste
+CARDNAME attacks each turn if able.
+
+Battle-Mad Ronin
+1 R
+Creature Human Samurai
+no text
+1/1
+CARDNAME attacks each turn if able.
+Bushido 2
+
+Berserkers of Blood Ridge
+4 R
+Creature Human Berserker
+no text
+4/4
+CARDNAME attacks each turn if able.
+
+Bloodrock Cyclops
+2 R
+Creature Cyclops
+no text
+3/3
+CARDNAME attacks each turn if able.
+
+Bloodshed Fever
+R
+Enchantment Aura
+Enchanted creature attacks each turn if able.
+Enchant creature
+enPumpCurse:CARDNAME attacks each turn if able.
+
+Crazed Goblin
+R
+Creature Goblin Warrior
+no text
+1/1
+CARDNAME attacks each turn if able.
+
+Dauthi Slayer
+B B
+Creature Dauthi Soldier
+no text
+2/2
+Shadow
+CARDNAME attacks each turn if able.
+
+Goblin Brigand
+1 R
+Creature Goblin Warrior
+no text
+2/2
+CARDNAME attacks each turn if able.
+
+Juggernaut
+4
+Artifact Creature Juggernaut
+no text
+5/3
+CARDNAME attacks each turn if able.
+CARDNAME can't be blocked by Walls.
+
+Monstrous Carabid
+3 B R
+Creature Insect
+no text
+4/4
+CARDNAME attacks each turn if able.
+Cycling:BR
+
+Phyrexian Snowcrusher
+6
+Snow Artifact Creature Juggernaut
+no text
+6/5
+CARDNAME attacks each turn if able.
+abPump 1 S:+1/+0
+
+Tattermunge Maniac
+RG
+Creature Goblin Warrior
+no text
+2/1
+CARDNAME attacks each turn if able.
+
+Tectonic Fiend
+4 R R
+Creature Elemental
+no text
+7/7
+CARDNAME attacks each turn if able.
+Echo:4 R R
+
+Thran War Machine
+4
+Artifact Creature Construct
+no text
+4/5
+CARDNAME attacks each turn if able.
+Echo:4
+
+Ulamog's Crusher
+8
+Creature Eldrazi
+no text
+8/8
+Annihilator 2
+CARDNAME attacks each turn if able.
+
+Uncontrollable Anger
+2 R R
+Enchantment Aura
+Enchanted creature gets +2/+2 and attacks each turn if able.
+Enchant creature
+enPump:+2/+2/CARDNAME attacks each turn if able.
+Flash
+
+Urborg Drake
+1 U B
+Creature Drake
+no text
+2/3
+Flying
+CARDNAME attacks each turn if able.
+
+Utvara Scalper
+1 R
+Creature Goblin Scout
+no text
+1/2
+Flying
+CARDNAME attacks each turn if able.
+
 Oust
 W
 Sorcery
@@ -976,28 +1114,12 @@ no text
 1/1
 CARDNAME can't be blocked by Walls.
 
-Juggernaut
-4
-Artifact Creature Juggernaut
-no text
-5/3
-This card attacks each turn if able.
-CARDNAME can't be blocked by Walls.
-
 Phyrexian War Beast
 3
 Artifact Creature Beast
 When Phyrexian War Beast leaves the battlefield, sacrifice a land and Phyrexian War Beast deals 1 damage to you.
 3/4
 
-Ulamog's Crusher
-8
-Creature Eldrazi
-no text
-8/8
-Annihilator 2
-This card attacks each turn if able.
-
 Kozilek, Butcher of Truth
 10
 Legendary Creature Eldrazi
@@ -1968,13 +2090,6 @@ Copper Tablet
 Artifact
 At the beginning of each player's upkeep, Copper Tablet deals 1 damage to that player.
 
-Bloodshed Fever
-R
-Enchantment Aura
-Enchanted creature attacks each turn if able.
-Enchant creature
-enPumpCurse:This card attacks each turn if able.
-
 Wings of Aesthir
 W U
 Enchantment Aura
@@ -3471,14 +3586,6 @@ no text
 abPump B:+1/+1
 Bushido 1
 
-Battle-Mad Ronin
-1 R
-Creature Human Samurai
-no text
-1/1
-This card attacks each turn if able.
-Bushido 2
-
 Araba Mothrider
 1 W
 Creature Human Samurai
@@ -4403,22 +4510,6 @@ Flying
 Haste
 Echo:1 G G
 
-Thran War Machine
-4
-Artifact Creature Construct
-no text
-4/5
-This card attacks each turn if able.
-Echo:4
-
-Tectonic Fiend
-4 R R
-Creature Elemental
-no text
-7/7
-This card attacks each turn if able.
-Echo:4 R R
-
 Simian Grunts
 2 G
 Creature Ape
@@ -6343,14 +6434,6 @@ no text
 abPumpTgt T:This creature cannot block
 abPump S:Haste
 
-Phyrexian Snowcrusher
-6
-Snow Artifact Creature Juggernaut
-no text
-6/5
-This card attacks each turn if able.
-abPump 1 S:+1/+0
-
 Rimebound Dead
 B
 Snow Creature Skeleton
@@ -7946,14 +8029,6 @@ Enchanted creature has double strike.
 Enchant creature
 enPump:Double Strike
 
-Uncontrollable Anger
-2 R R
-Enchantment Aura
-Enchanted creature gets +2/+2 and attacks each turn if able.
-Enchant creature
-enPump:+2/+2/This card attacks each turn if able.
-Flash
-
 Soulscour
 7 W W W
 Sorcery
@@ -9764,13 +9839,6 @@ Creature Centaur Warrior
 no text
 3/3
 
-Berserkers of Blood Ridge
-4 R
-Creature Human Berserker
-no text
-4/4
-This card attacks each turn if able.
-
 Weakness
 B
 Enchantment Aura
@@ -10560,74 +10628,6 @@ Creature Elemental
 As Nyxathid comes into play, choose an opponent. Nyxathid gets -1/-1 for each card in the chosen player's hand.
 7/7
 
-Utvara Scalper
-1 R
-Creature Goblin Scout
-no text
-1/2
-Flying
-This card attacks each turn if able.
-
-Urborg Drake
-1 U B
-Creature Drake
-no text
-2/3
-Flying
-This card attacks each turn if able.
-
-Monstrous Carabid
-3 B R
-Creature Insect
-no text
-4/4
-This card attacks each turn if able.
-Cycling:BR
-
-Ashen Monstrosity
-5 R R
-Creature Spirit
-no text
-7/4
-Haste
-This card attacks each turn if able.
-
-Bloodrock Cyclops
-2 R
-Creature Cyclops
-no text
-3/3
-This card attacks each turn if able.
-
-Goblin Brigand
-1 R
-Creature Goblin Warrior
-no text
-2/2
-This card attacks each turn if able.
-
-Tattermunge Maniac
-RG
-Creature Goblin Warrior
-no text
-2/1
-This card attacks each turn if able.
-
-Dauthi Slayer
-B B
-Creature Dauthi Soldier
-no text
-2/2
-Shadow
-This card attacks each turn if able.
-
-Crazed Goblin
-R
-Creature Goblin Warrior
-no text
-1/1
-This card attacks each turn if able.
-
 Unsummon
 U
 Instant

src/forge/CardFactory_Auras.java

@@ -2476,7 +2476,7 @@ class CardFactory_Auras {
                         Card crd = card.getEnchanting().get(0);
                         crd.addSemiPermanentAttackBoost(2);
                         crd.addSemiPermanentDefenseBoost(2);
-                        crd.addExtrinsicKeyword("This card attacks each turn if able.");
+                        crd.addExtrinsicKeyword("CARDNAME attacks each turn if able.");
                     }
                 }//execute()
             };//Command
@@ -2491,7 +2491,7 @@ class CardFactory_Auras {
                         Card crd = card.getEnchanting().get(0);
                         crd.addSemiPermanentAttackBoost(-2);
                         crd.addSemiPermanentDefenseBoost(-2);
-                        crd.removeExtrinsicKeyword("This card attacks each turn if able.");
+                        crd.removeExtrinsicKeyword("CARDNAME attacks each turn if able.");
                     }
                     
                 }//execute()

src/forge/ComputerUtil_Attack2.java

@@ -168,7 +168,7 @@ import java.util.*;
 
           for (int i=0; i<attackers.size();i++)
           {
-             if (attackers.get(i).getKeyword().contains("This card attacks each turn if able."))
+             if (attackers.get(i).getKeyword().contains("CARDNAME attacks each turn if able."))
                 combat.addAttacker(attackers.get(i));
           }
 

src/forge/GameActionUtil.java

@@ -8731,7 +8731,7 @@ public class GameActionUtil {
 		CardList                  gloriousAnthemList = new CardList();
 
 		public void execute() {
-			String keyword = "This card attacks each turn if able.";
+			String keyword = "CARDNAME attacks each turn if able.";
 
 			CardList list = gloriousAnthemList;
 			Card c;

src/forge/Input_Attack.java

@@ -17,7 +17,7 @@ public class Input_Attack extends Input {
         if(getPlaneswalker() == null) {
             for(int i = 0; i < creats.size(); i++) {
                 Card c = creats.get(i);
-                if(CombatUtil.canAttack(c) && c.getKeyword().contains("This card attacks each turn if able.")) {
+                if(CombatUtil.canAttack(c) && c.getKeyword().contains("CARDNAME attacks each turn if able.")) {
                     
                     AllZone.Combat.addAttacker(c);
                     if(!c.getKeyword().contains("Vigilance")) c.tap();

src/forge/Input_Attack_Planeswalker.java

@@ -18,7 +18,7 @@ public class Input_Attack_Planeswalker extends Input {
         
         for(int i = 0; i < creats.size(); i++) {
             Card c = creats.get(i);
-            if(CombatUtil.canAttack(c) && c.getKeyword().contains("This card attacks each turn if able.")
+            if(CombatUtil.canAttack(c) && c.getKeyword().contains("CARDNAME attacks each turn if able.")
                     && !attackers.contains(c)) {
                 AllZone.pwCombat.addAttacker(c);
                 if(!c.getKeyword().contains("Vigilance")) c.tap();