Mana Vault [Alpha Edition] Yu-Gi-Oh! Championship Series Prize Cards Set: EX: Deoxys Type: Psychic

Set: EX: Deoxys Type: Psychic Rarity: Promo Retreat cost: Colorless

Set: Core Set 2019 Prerelease Promos Type: Land Rarity: Rare {T}: Add {C}

and "Gamma The Magnet Warrior" from your hand and/or your side of the field

The DEF of the selected monster becomes equal to the combined original DEF of all face-up monsters on your side of the field

untap those creatures

Mana Vault [Alpha Edition] Yu-Gi-Oh! Championship Series Prize Cards Set: EX: Deoxys Type: PsychicSet: Alpha 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}.