Sculpting Steel [Kaladesh Inventions] Phyrexian Mutant Snake you must choose one of

you must choose one of opponent's non-wall creatures in play

reveal Darksteel Colossus and shuffle it into its owner's library instead

Set: The List Type: Legendary Enchantment Creature — God Rarity: Mythic Cost: {3}{G} Indestructible

or from among cards you own in exile without paying its mana cost

Set: Gym Heroes Unlimited Type: Water Rarity: Rare

Sculpting Steel [Kaladesh Inventions] Phyrexian Mutant Snake you must choose one ofSet: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {3} You may have Sculpting Steel enter the battlefield as a copy of any artifact on the battlefield. Perfected by the kinetic sculptor Shanti Makam, these self assembling metal strands can be coaxed into any shape imaginable.