Gescher Nemm

Devour 2
At the beginning of your upkeep, create a 1/1 red
Devil creature token for each +1/+1 counter on
Gescher Nemm.
Thunder Step {r}{b} — Tap {x} Devil creatures.
As they bow down, Gescher Nemm returns to
the player's hand. Each untapped creature on the
battlefield receives {x} damage.