Sargeras, the Destroyer

Deathtouch, haste
When Sargeras enters, you get an emblem with "At the beginning of your end step, create two 3/2 black and red demon Burning Legion creature tokens".
Exhaust —{u},{t}: You get an emblem with "creatures you control naming Burning Legion get +0/2 and reach".
Exhaust —{b},{t}: Exile all non-Demon creatures.
Exhaust —{r},{t}: create two 6/6 black and red demon Burning Legion creature tokens.