Mana Vault (Retro) [30th Anniversary Edition] 63 OR a monster effect is

OR a monster effect is activated: Pay 1500 LP

Set: Metal Raiders (25th Anniversary Edition) Card type: Effect Monster Rarity: Ultra Rare Attack: 500 Defense: 400 Toss a coin and call Heads or Tails

Set: EX: Power Keepers Type: Darkness Rarity: Common Retreat cost: Colorless

The dead know what they're worth

Whenever equipped creature attacks

Mana Vault (Retro) [30th Anniversary Edition] 63 OR a monster effect isSet: 30th Anniversary 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}.