Mana Vault [International Collectors' Edition] Phyrexian Praetor Set: Unlimited Edition Type: Sorcery

Set: Unlimited Edition Type: Sorcery Rarity: Rare Cost: {2}{U} Each player shuffles their hand and graveyard into their library

it flips onto its back

if that spell's mana cost is {3}{U}{U}

Set: Collectors' Edition Type: Creature — Elemental Rarity: Rare Cost: {2}{G}{G}{G}{G} Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking

true to your own

Mana Vault [International Collectors' Edition] Phyrexian Praetor Set: Unlimited Edition Type: SorcerySet: International Collectors' 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}.