Mana Crypt (Toppers) [Double Masters] Core Set 2020 that opponent discards a card

that opponent discards a card

Set: Prize Pack Series Two Type: Dragon Rarity: Rare Retreat cost: Colorless

where X is twice the number of white creatures that player controls

Set: Fourth Edition (Foreign Black Border) Type: Artifact Rarity: Rare Cost: {4} {4}

Set: Skyridge Type: Darkness Rarity: Common Retreat cost: Colorless

Mana Crypt (Toppers) [Double Masters] Core Set 2020 that opponent discards a cardSet: Double Masters Type: Artifact Rarity: Mythic Cost: {0} At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you. {T}: Add {C}{C}. At first they thought the vault was empty. Then the walls began to glow.