Garrosh Hellscream

All Orcs, Goblins, Ogres and Trolls you control gain +3/+2.
All Humans, Elves, Dwarfs and Gnomes opponents control get -2/-3 and all activated abilities tied to them cost 1 more.
Sacrifice an Orc, Goblin, Ogre or Troll, Garrosh gains +2/+3