Mana Vault [Beta Edition] Dragons of Tarkir Set: Sun & Moon: Forbidden

Set: Sun & Moon: Forbidden Light Type: Psychic Rarity: Promo Retreat cost: Colorless

Set: Aquapolis Type: Darkness Rarity: Rare Retreat cost: Colorless

Set: Sun & Moon: Celestial Storm Type: Psychic Rarity: Ultra Rare Retreat cost: Colorless

Battle doesn't need a purpose

Mana Vault [Beta Edition] Dragons of Tarkir Set: Sun & Moon: ForbiddenSet: Beta 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}.