THE GREAT UR DRAGON

Eminence as long as your commander is in the command zone Dragon you control cost {1} less to cast. Whenever you cast a creature spell Put a 4/4 creature token with flying in
to the battlefield.
Flying, Trample, menace, deathtouch, annihilator 2,
Whenever a player cast a creature spell Put +1/+1 counter on the great UR dragon.