Greenskin Slayer

Haste.
When Greenskin Slayer enters the battlefield destroy X target Goblin, Ogre, Orc
or Troll. Put a +1/+1 counter on Greenskin Slayer for every Goblin, Ogre, Orc or Troll
that you destroyed in this way.

His tribe excels in selling greenskin body parts
to shamans and sorcerers.