Blightsteel Colossus (Toppers) [Double Masters] Battle for Zendikar Promos Put one of them into

Put one of them into their graveyard

Sacrifice Mirrorpool: Copy target instant or sorcery spell you control

Set: Modern Horizons Type: Legendary Creature — Human Artificer Rarity: Mythic Cost: {2}{U}{U} When Urza

humans adapted to the water

(They deal both first-strike and regular combat damage

Blightsteel Colossus (Toppers) [Double Masters] Battle for Zendikar Promos Put one of them intoSet: Double Masters Type: Artifact Creature Phyrexian Golem Rarity: Mythic Cost: {12} Trample, infect, indestructible If Blightsteel Colossus would be put into a graveyard from anywhere, reveal Blightsteel Colossus and shuffle it into its owner's library instead.