Skarrag's Shadow

If you control a creature named Skarrag, this
spell costs {2} less to cast.
Reveal the top three cards of your library. You
may choose a creature or land card there. If you
choose a land, or a creature with mana value less
than the greatest toughness among creatures you
control, you may put it onto the battlefield.
Otherwise put the chosen card into your hand.
Put the remaining cards into your graveyard.