Unstable Mutation Tweet Buy this product instead Details Color: Blue Card Text: Enchant creature Enchanted creature gets +3/+3. At the beginning of the upkeep of enchanted creature's controller, put a -1/-1 counter on that creature. Rarity: C Cost: U Card Type: Enchantment - Aura Artist: Douglas Shuler Name: Unstable Mutation Finish: Regular Card Number: 110/379 Set Name: Fourth Edition Category: Fourth Edition