Grithmidax, Hellcaller

At the beginning of your upkeep, if your life total is 30 or less, create a 1/1 red devil creature token with haste. Then if your life total is 20 or less, create a 4/4 black horror creature token with fear. Then if your life total is 10 or less, create a 6/6 black and red demon creature token with flying and
menace.