Harrow, Doom of Glyth

Bloodthirst X (This creature enters the battlefield
with X +1/+1 counters on it, where X is the
damage dealt to your opponents this turn.)

Menace

Enrage — Whenever Harrow, Doom of Glyth is
dealt damage, choose an opponent at random.
Harrow deals damage equal to its power to that
player unless they sacrifice a nontoken creature.