Mana Vault [Fourth Edition] Two-Headed Giant Tournament Set: Unlimited Edition Type: Artifact

Set: Unlimited Edition Type: Artifact Rarity: Rare Cost: {1} Creatures with power 3 or greater don't untap during their controllers' untap steps

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

Then if you have seven or more cards in your graveyard

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

Mana Vault [Fourth Edition] Two-Headed Giant Tournament Set: Unlimited Edition Type: ArtifactSet: 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}.