Ulderno, Apostle of Blood

Trample, Deathtouch, Lifelink
At the beginning of your upkeep, if Ulderno, Apostle of Blood is in your hand, you may
pay 5 life, if you do, add {b}{b}{b} to your manapool.
At the beginning of your endstep, if you
have 40 or more life, you lose the game.