The Endsinger

The Endsinger can't be countered.
Flying, indestructible
When The Endsinger enters the battlefield; exile
all other permanents. The Endsinger then gets
+1/+1 for each creature exiled.
Despair — Pay X life, then create X black 5/3
Hopeless tokens with menace.
"Why do you continue such a futile fight?"