Karn's Touch [Mercadian Masques] Condition:Moderately Played They mutate into the creature

They mutate into the creature on top plus all abilities from under it

" —*Sarpadian Empires*

Set: Ice Age Type: Enchantment Rarity: Rare Cost: {2}{W}{U} At the beginning of your upkeep

Set: Journey into Nyx Type: Creature — Hydra Rarity: Rare Cost: {3}{G}{G} Heroes' Bane enters the battlefield with four +1/+1 counters on it

and you're Bobo

Karn's Touch [Mercadian Masques] Condition:Moderately Played They mutate into the creatureSet: Mercadian Masques Type: Instant Rarity: Rare Cost: {U}{U} Target noncreature artifact becomes an artifact creature with power and toughness each equal to its converted mana cost until end of turn. (It retains its abilities.)