Mana Vault [Limited Edition Alpha] Cyberse Set: Base Set Unlimited Type:

Set: Base Set Unlimited Type: Fire Rarity: Promo Retreat cost: Colorless

You can detach 2 Xyz Materials from this card

Set: Dark Revelation Volume 3 Card type: Normal Trap Rarity: Super Rare Tribute 1 DARK monster with 2000 or more ATK

Set: World Championship 2011 Card Pack Card type: Normal Spell Rarity: Super Rare Destroy all face-up Rock-Type monsters on the field

but my host would casually push it down before I could make out what it was

Mana Vault [Limited Edition Alpha] Cyberse Set: Base Set Unlimited Type:Set: Limited Edition Alpha 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}.