Ad Nauseam [Double Masters] Artifact Creature If that mana is spent

If that mana is spent on an instant or sorcery spell

Set: Guru Type: Basic Land — Swamp Rarity: Rare ({T}: Add {B}

Set: Revised Edition Type: Creature — Bird Rarity: Rare Cost: {G} Flying

that player may pay {1}{B}

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {3} {1}: Untap Staff of Domination

Ad Nauseam [Double Masters] Artifact Creature If that mana is spentSet: Double Masters Type: Instant Rarity: Rare Cost: {3}{B}{B} Reveal the top card of your library and put that card into your hand. You lose life equal to its mana value. You may repeat this process any number of times. When the task spilled over into undeath, he stopped calling it his life's work.