diff --git a/release/Magarena/scripts/Yavimaya_Hollow.groovy b/release/Magarena/scripts/Yavimaya_Hollow.groovy
new file mode 100644
index 0000000000..effe2cd2b4
--- /dev/null
+++ b/release/Magarena/scripts/Yavimaya_Hollow.groovy
@@ -0,0 +1,38 @@
+[
+    new MagicPermanentActivation(
+        [
+            MagicCondition.CAN_TAP_CONDITION,
+            MagicConditionFactory.ManaCost("{G}")
+        ],
+        new MagicActivationHints(MagicTiming.Pump,false),
+        "Regen"
+    ) {
+
+        @Override
+        public MagicEvent[] getCostEvent(final MagicPermanent source) {
+            return [
+                new MagicPayManaCostTapEvent(source,"{G}")
+            ];
+        }
+
+        @Override
+        public MagicEvent getPermanentEvent(final MagicPermanent source,final MagicPayedCost payedCost) {
+            return new MagicEvent(
+                source,
+                MagicTargetChoice.POS_TARGET_CREATURE,
+                MagicRegenerateTargetPicker.getInstance(),
+                this,
+                "Regenerate target creature\$."
+            );
+        }
+
+        @Override
+        public void executeEvent(final MagicGame game, final MagicEvent event) {
+            event.processTargetPermanent(game,new MagicPermanentAction() {
+                public void doAction(final MagicPermanent creature) {
+                    game.doAction(new MagicRegenerateAction(creature));
+                }
+            });
+        }
+    }
+]
diff --git a/release/Magarena/scripts/Yavimaya_Hollow.txt b/release/Magarena/scripts/Yavimaya_Hollow.txt
index 74b199a412..faa2144384 100644
--- a/release/Magarena/scripts/Yavimaya_Hollow.txt
+++ b/release/Magarena/scripts/Yavimaya_Hollow.txt
@@ -6,4 +6,4 @@ rarity=R
 type=Legendary,Land
 ability=tap add mana {1}
 timing=land
-requires_card_code
+requires_groovy_code
diff --git a/src/magic/card/Yavimaya_Hollow.java b/src/magic/card/Yavimaya_Hollow.java
deleted file mode 100644
index 09c176d95d..0000000000
--- a/src/magic/card/Yavimaya_Hollow.java
+++ /dev/null
@@ -1,57 +0,0 @@
-package magic.card;
-
-import magic.model.MagicGame;
-import magic.model.MagicManaCost;
-import magic.model.MagicPayedCost;
-import magic.model.MagicPermanent;
-import magic.model.action.MagicPermanentAction;
-import magic.model.action.MagicRegenerateAction;
-import magic.model.choice.MagicTargetChoice;
-import magic.model.condition.MagicCondition;
-import magic.model.condition.MagicConditionFactory;
-import magic.model.event.MagicActivationHints;
-import magic.model.event.MagicEvent;
-import magic.model.event.MagicPayManaCostTapEvent;
-import magic.model.event.MagicPermanentActivation;
-import magic.model.event.MagicTiming;
-import magic.model.target.MagicRegenerateTargetPicker;
-
-public class Yavimaya_Hollow {
-    public static final MagicPermanentActivation A = new MagicPermanentActivation(
-            new MagicCondition[]{
-                MagicCondition.CAN_TAP_CONDITION,
-                MagicConditionFactory.ManaCost("{G}")
-            },
-            new MagicActivationHints(MagicTiming.Pump,false),
-            "Regen") {
-
-        @Override
-        public MagicEvent[] getCostEvent(final MagicPermanent source) {
-            return new MagicEvent[]{
-                new MagicPayManaCostTapEvent(source,"{G}")
-            };
-        }
-
-        @Override
-        public MagicEvent getPermanentEvent(final MagicPermanent source,final MagicPayedCost payedCost) {
-            return new MagicEvent(
-                source,
-                MagicTargetChoice.POS_TARGET_CREATURE,
-                MagicRegenerateTargetPicker.getInstance(),
-                this,
-                "Regenerate target creature$."
-            );
-        }
-
-        @Override
-        public void executeEvent(
-                final MagicGame game,
-                final MagicEvent event) {
-            event.processTargetPermanent(game,new MagicPermanentAction() {
-                public void doAction(final MagicPermanent creature) {
-                    game.doAction(new MagicRegenerateAction(creature));
-                }
-            });
-        }
-    };
-}