Scain, The Corpse Flower

Deaththouch, Delve
When this creature enters the battlefield, Create
X 0/1 black zombie plant creature tokens with
"{t} Gain control of target creature in a graveyard you don't own with power 3 or less until this token
leaves the battlefield. You can only gain control
of one creature using this ability."
"... fun." -An unnamed necromancer.