Werfen, Ravnica Crusher

+2: Sacrifice a 1/1 rabbit, squirrel, rat or deer token. Put down a 2/2 green and black wolf creature with vigilance and gain 1 life.
-3: Put down 2 3/3 wolf creatures with vigilance onto the battlefield.
-7: You get an emblem: Whenever a creature deals damage to you, each opponent loses 1 life.