Bradog, the Great Devourer

Flying, menace, trample
When Bradog, the Great Devourer enters the battlefield, it deals 3 damage to each other
creature and each player.
Whenever a creature dealt damage by Bradog this
turn dies, put a blaze counter on Bradog.
Bradog gets +1/+0 for each blaze counter on it.
At the beginning of your upkeep, if Bradog has
twenty or more blaze counters on it, you win the
game.