Feroz, Ulgrotha's Warden

+2: Create two 1/1 blue Bird creature tokens with flying.
0: Draw a card. You may put a permanent card with mana value 4 or less from your hand onto the battlefield.
−7: Create a Feroz's Ban token. (It's a {6} artifact with "Creature spells cost {2} more to cast.")
Feroz, Ulgrotha's Warden can be your commander.