Doloto, the heartless

{1}{p/w}: Target creature gains indestructible and shroud until end of turn.
{3}{p/u}: Gain control of target Zombie creature.
{1}{p/b}: Exile target creature card from a graveyard.
{2}{p/g}: Target creature you control fights another target creature. Next time any of those creatures dies this turn, exile them.

You may play nonartifact creatures exiled with Doloto, the heartless and spend mana to cast them as if it was mana of any color.