Add script for Override

release/Magarena/scripts/Override.groovy

@@ -0,0 +1,20 @@
+[
+    new MagicSpellCardEvent() {
+        @java.lang.Override
+        public MagicEvent getEvent(final MagicCardOnStack cardOnStack,final MagicPayedCost payedCost) {
+            return new MagicEvent(
+                cardOnStack,
+                MagicTargetChoice.NEG_TARGET_SPELL,
+                this,
+                "Counter target spell\$ unless its controller pays {1} for each artifact PN controls."
+            );
+        }
+        @java.lang.Override
+        public void executeEvent(final MagicGame game, final MagicEvent event) {
+            event.processTargetCardOnStack(game, {
+                final int amount = event.getPlayer().getNrOfPermanents(MagicType.Artifact);
+                game.addEvent(new MagicCounterUnlessEvent(event.getSource(),it,MagicManaCost.create("{"+amount+"}")));
+            });
+        }
+    }
+]

release/Magarena/scripts/Override.txt

@@ -0,0 +1,9 @@
+name=Override
+image=http://mtgimage.com/card/override.jpg
+value=2.500
+rarity=C
+type=Instant
+cost={2}{U}
+timing=counter
+requires_groovy_code
+oracle=Counter target spell unless its controller pays {1} for each artifact you control.