Isochron Scepter [Eternal Masters] ST-03 Arctic Aven gets +1/+1 as

Arctic Aven gets +1/+1 as long as you control a Plains

Whenever Hornet Nest is dealt damage

Set: Alpha Edition Type: Creature — Elemental Rarity: Rare Cost: {2}{G}{G}{G}{G} Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking

Whenever enchanted creature deals damage to an opponent

R&D under mental domination of alien brain in jar

Isochron Scepter [Eternal Masters] ST-03 Arctic Aven gets +1/+1 asSet: Eternal Masters Type: Artifact Rarity: Rare Cost: {2} Imprint When Isochron Scepter enters the battlefield, you may exile an instant card with mana value 2 or less from your hand. {2}, {T}: You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.