Greensleeves

+2: Create a Giant Badger token. (It's a 1 generic mana green mana green mana 2/2 Badger creature with "Whenever this token blocks, it gets +2/+2 until end of turn.") −3: Mill three cards. Put all permanent cards from among them into your hand. −8: Until end of turn, creatures you control have base power and toughness 8/8 and gain trample. Greensleeves can be your commander.