Mana Vault [Fourth Edition] Two-Headed Giant Tournament They become 5/5 Elemental creatures

They become 5/5 Elemental creatures with flying and haste until end of turn

Set: Prophecy Type: Enchantment Rarity: Common Cost: {2}{U} Whenever an opponent casts a spell

Set: Alpha Edition Type: Enchantment Rarity: Common Cost: {1}{W} {1}: The next time a green source of your choice would deal damage to you this turn

discard it

Set: Kaladesh Prerelease Promos Type: Enchantment Rarity: Mythic Cost: {3}{U}{U} Whenever you cast an instant or sorcery spell

Mana Vault [Fourth Edition] Two-Headed Giant Tournament They become 5/5 Elemental creaturesSet: 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}.