Brallsyn, Eternal Archmage

Deathtouch
As long as you control 5 or more other creatures,
Brallsyn, Eternal Archmage has First Strike.
As long as you control 10 or more other creatures,
Brallsyn, Eternal Archmage has
+7/+2, vigilance, hexproof, and trample.
If you control 15 or more creatures,
you win the game.