Mana Vault [Fourth Edition] Archenemy Schemes return it to its owner's

return it to its owner's hand

Set: Pro Tour Promos Type: Legendary Creature — Dragon Rarity: Rare Cost: {3}{G}{W}{U} Flying

Simulacrum deals damage to target creature you control equal to the damage dealt to you this turn

If the player does

Set: Ixalan Prerelease Promos Type: Creature — Dinosaur Rarity: Rare Cost: {5}{W}{W} Double strike

Mana Vault [Fourth Edition] Archenemy Schemes return it to its owner'sSet: Fourth Edition Type: Artifact Rarity: Rare Cost: {1} Mana Vault doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault. At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you. {T}: Add {C}{C}{C}.