Cinder and Watcher, Ignited

Intimidate, Vigilance, Rampage 2

If you control two or more other Demons, creatures you control have intimidate and +2/+0.

If you control four or more other Knights, creatures you control have vigilance and +1/+1.

At the beginning of your upkeep, if you control ten
or more other Demon and Knight creatures, you
win the game.