Mana Vault [Collectors' Edition] Murders at Karlov Manor Special Guests Seat of the Empire: It

Seat of the Empire: It deals 4 damage to target attacking or blocking creature

Set: Black & White: Boundaries Crossed Type: Dragon Rarity: Ultra Rare Retreat cost: Colorless

Whenever a trap you control triggers

Set: Sun & Moon: Unified Minds Type: Lightning Rarity: Ultra Rare Retreat cost: Colorless

exile the top card of your library

Mana Vault [Collectors' Edition] Murders at Karlov Manor Special Guests Seat of the Empire: ItSet: Collectors' 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}.