Transmute Artifact [Antiquities] Conspiracy That creature is a black

That creature is a black Zombie in addition to its other colors and types

Set: Avacyn Restored Type: Creature — Angel Rare Cost: {1}{W}{W}{W} Flying Other nonblack creatures you control get +1/+1

As you tap the power of your lofty keep

Set: Beta Edition Type: Creature — Basilisk Rarity: Uncommon Cost: {3}{G}{G} Whenever Thicket Basilisk blocks or becomes blocked by a non-Wall creature

Transmute Artifact [Antiquities] Conspiracy That creature is a blackSet: Antiquities Type: Sorcery Uncommon Cost: {U}{U} Sacrifice an artifact. If you do, search your library for an artifact card. If that card's converted mana cost is less than or equal to the sacrificed artifact's converted mana cost, put it onto the battlefield. If it's greater, you may pay {X}, where X is the difference. If you do, put it onto the battlefield. If you don't, put it into its owner's graveyard. Then shuffle your library.