diff --git a/release/Magarena/scripts/Zealous_Strike.groovy b/release/Magarena/scripts/Zealous_Strike.groovy
new file mode 100644
index 0000000000..f34d928f8c
--- /dev/null
+++ b/release/Magarena/scripts/Zealous_Strike.groovy
@@ -0,0 +1,29 @@
+[
+    new MagicSpellCardEvent() {
+        @Override
+        public MagicEvent getEvent(
+                final MagicCardOnStack cardOnStack,
+                final MagicPayedCost payedCost) {
+            return new MagicEvent(
+                cardOnStack,
+                MagicTargetChoice.POS_TARGET_CREATURE,
+                MagicFirstStrikeTargetPicker.create(),
+                this,
+                "Target creature\$ gets +2/+2 and " + 
+                "gains first strike until end of turn."
+            );
+        }
+        @Override
+        public void executeEvent(final MagicGame game, final MagicEvent event) {
+            event.processTargetPermanent(game,new MagicPermanentAction() {
+                public void doAction(final MagicPermanent creature) {
+                    game.doAction(new MagicChangeTurnPTAction(creature,2,2));
+                    game.doAction(new MagicSetAbilityAction(
+                        creature,
+                        MagicAbility.FirstStrike
+                    ));
+                }
+            });
+        }
+    }
+]
diff --git a/release/Magarena/scripts/Zealous_Strike.txt b/release/Magarena/scripts/Zealous_Strike.txt
index 45f3d6c7d7..ce2441f177 100644
--- a/release/Magarena/scripts/Zealous_Strike.txt
+++ b/release/Magarena/scripts/Zealous_Strike.txt
@@ -6,4 +6,4 @@ rarity=C
 type=Instant
 cost={1}{W}
 timing=pump
-requires_card_code
+requires_groovy_code
diff --git a/src/magic/card/Zealous_Strike.java b/src/magic/card/Zealous_Strike.java
deleted file mode 100644
index fb95ca31fb..0000000000
--- a/src/magic/card/Zealous_Strike.java
+++ /dev/null
@@ -1,44 +0,0 @@
-package magic.card;
-
-import magic.model.MagicAbility;
-import magic.model.MagicGame;
-import magic.model.MagicPayedCost;
-import magic.model.MagicPermanent;
-import magic.model.action.MagicChangeTurnPTAction;
-import magic.model.action.MagicPermanentAction;
-import magic.model.action.MagicSetAbilityAction;
-import magic.model.choice.MagicTargetChoice;
-import magic.model.event.MagicEvent;
-import magic.model.event.MagicSpellCardEvent;
-import magic.model.stack.MagicCardOnStack;
-import magic.model.target.MagicFirstStrikeTargetPicker;
-
-public class Zealous_Strike {
-    public static final MagicSpellCardEvent S = new MagicSpellCardEvent() {
-        @Override
-        public MagicEvent getEvent(
-                final MagicCardOnStack cardOnStack,
-                final MagicPayedCost payedCost) {
-            return new MagicEvent(
-                    cardOnStack,
-                    MagicTargetChoice.POS_TARGET_CREATURE,
-                    MagicFirstStrikeTargetPicker.create(),
-                    this,
-                    "Target creature$ gets +2/+2 and gains " +
-                    "first strike until end of turn.");
-        }
-        @Override
-        public void executeEvent(
-                final MagicGame game,
-                final MagicEvent event) {
-            event.processTargetPermanent(game,new MagicPermanentAction() {
-                public void doAction(final MagicPermanent creature) {
-                    game.doAction(new MagicChangeTurnPTAction(creature,2,2));
-                    game.doAction(new MagicSetAbilityAction(
-                            creature,
-                            MagicAbility.FirstStrike));
-                }
-            });
-        }
-    };
-}