Buy @ TCGplayer
Destroy all creatures, then return a creature card put into a graveyard this way to the battlefield under your control. It's a black Zombie in addition to its other colors and types. Exile Necromantic Selection.
If the creature is normally colorless, it will simply become black. It can't be both black and colorless.
Necromantic Selection doesn't overwrite any of the creature's colors or types. Rather, it adds another color and another creature type.
