Ichorid
{3}{B}
Creature -- Horror
3/1
Haste
At the beginning of the end step, sacrifice ~this~.
At the beginning of your upkeep, if ~this~ is in your graveyard, you may exile a black creature card other than ~this~ from your graveyard. If you do, return ~this~ to the battlefield.
Shifty Doppelganger
{2}{U}
Creature -- Shapeshifter
1/1
{3}{U}, Exile ~this~: You may put a creature card from your hand onto the battlefield. If you do, that creature gains haste until end of turn. At the beginning of the next end step, sacrifice that creature. If you do, return ~this~ to the battlefield.