Doombringer, Snake of Hell

Doombringer enters the battlefield with 9 +20+20 counters on it. Annihilator 8, Deathtouch, Trample, Reach,
Lifelink, Protection from all colored spells and all eldrazi.
Swallow the Sun. After 3 turns, you must do this ability or lose. Sacrifice, if you have more than 20 life, you win the game. If you don't, you lose it.
"Get the hell out of here!"
-Gideon Jura