Akaraj, Visceral Nightmare

Menace

Blood Fuel — Whenever you or another creature
you control takes damage, Akaraj, Visceral Nightmare gets +X/+X and lifelink until end of turn, where X is the amount of damage taken.

At the beginning of your upkeep, Akaraj, Visceral Nightmare deals 1 damage to you and gets
a +1/+1 counter.