replace groovy code with ability in card script

release/Magarena/scripts/Drake.txt

@@ -1,4 +1,4 @@
-name=Drake
+name=2/2 blue Drake creature token with flying
 token=Drake
 image=http://magiccards.info/extras/token/magic-2013/drake.jpg
 value=2

release/Magarena/scripts/Talrand_s_Invocation.groovy

@@ -1,20 +0,0 @@
-[
-    new MagicSpellCardEvent() {
-        @Override
-        public MagicEvent getEvent(final MagicCardOnStack cardOnStack,final MagicPayedCost payedCost) {
-            return new MagicEvent(
-                cardOnStack,
-                this,
-                "PN puts two 2/2 blue Drake creature tokens with flying onto the battlefield."
-            );
-        }
-        @Override
-        public void executeEvent(final MagicGame game, final MagicEvent event) {
-            game.doAction(new MagicPlayTokensAction(
-                event.getPlayer(),
-                TokenCardDefinitions.get("Drake"),
-                2
-            ));
-        }
-    }
-]

release/Magarena/scripts/Talrand_s_Invocation.txt

@@ -5,5 +5,5 @@ value=3.836
 rarity=U
 type=Sorcery
 cost={2}{U}{U}
+effect=PN puts two 2/2 blue Drake creature tokens with flying onto the battlefield.
 timing=token
-requires_groovy_code