Unstable Mutation Tweet Near Mint, English, 4 In stock $0.24 Played, English, 4 In stock $0.17 Heavy Play, English, 4 In stock $0.16 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 Name: Unstable Mutation Finish: Regular Set Name: Revised Edition