replace groovy code with ability in card script

release/Magarena/scripts/Onyx_Mage.groovy

@@ -1,32 +0,0 @@
-[
-    new MagicPermanentActivation(
-        new MagicActivationHints(MagicTiming.Pump,true),
-        "Deathtouch"
-    ) {
-
-        @Override
-        public Iterable<MagicEvent> getCostEvent(final MagicPermanent source) {
-            return [new MagicPayManaCostEvent(source,"{1}{B}")];
-        }
-
-        @Override
-        public MagicEvent getPermanentEvent(final MagicPermanent source,final MagicPayedCost payedCost) {
-            return new MagicEvent(
-                source,
-                MagicTargetChoice.TARGET_CREATURE_YOU_CONTROL,
-                MagicDeathtouchTargetPicker.getInstance(),
-                this,
-                "Target creature\$ you control gains deathtouch 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 MagicGainAbilityAction(creature,MagicAbility.Deathtouch));
-                }
-            });
-        }
-    }
-]

release/Magarena/scripts/Onyx_Mage.txt

@@ -7,5 +7,5 @@ type=Creature
 subtype=Human,Wizard
 cost={1}{B}
 pt=2/1
-timing=fmain
+ability=pay {1}{B}: Target creature you control gains deathtouch until end of turn.
-requires_groovy_code
+timing=main