Contagion Engine [The List] Mystery Booster Set: Guilds of Ravnica Promos

Set: Guilds of Ravnica Promos Type: Land — Island Swamp Rarity: Rare ({T}: Add {U} or {B}

Set: World Championship Decks 2000 Type: Land Rarity: Rare Whenever City of Brass becomes tapped

Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking

Set: Ikoria: Lair of Behemoths Prerelease Promos Type: Land — Mountain Plains Swamp Rarity: Rare ({T}: Add {R}

"This world was once so much more than the confines of Naktamun

Contagion Engine [The List] Mystery Booster Set: Guilds of Ravnica PromosSet: The List Type: Artifact Rarity: Rare Cost: {6} When Contagion Engine enters the battlefield, put a 1 1 counter on each creature target player controls. {4}, {T}: Proliferate, then proliferate again. (Choose any number of permanents and or players, then give each another counter of each kind already there. Then do it again.)