Add Leonin Warleader

release/Magarena/scripts/Leonin_Warleader.groovy

@@ -0,0 +1,22 @@
+[
+    new ThisAttacksTrigger() {
+        @Override
+        public MagicEvent executeTrigger(final MagicGame game,final MagicPermanent permanent, final MagicPermanent attacker) {
+            return new MagicEvent(
+                permanent,
+                this,
+                "PN creates two 1/1 white Cat creature tokens with lifelink that are tapped and attacking"
+            );
+        }
+        @Override
+        public void executeEvent(final MagicGame game, final MagicEvent event) {
+            2.times {
+                game.doAction(new PlayTokenAction(
+                    event.getPlayer(),
+                    CardDefinitions.getToken("1/1 white Cat creature token with lifelink"),
+                    MagicPlayMod.TAPPED_AND_ATTACKING
+                ));
+            }
+        }
+    }
+]

release/Magarena/scripts/Leonin_Warleader.txt

@@ -6,6 +6,6 @@ type=Creature
 subtype=Cat,Soldier
 cost={2}{W}{W}
 pt=4/4
-ability=Whenever SN attacks, create two 1/1 white Cat creature tokens with lifelink that are tapped and attacking.
 timing=main
+requires_groovy_code
 oracle=Whenever Leonin Warleader attacks, create two 1/1 white Cat creature tokens with lifelink that are tapped and attacking.