Defender of the Grove

{t}: Reveal the top three cards of your library.
Put all creature cards from among them into
your graveyard. Then put the rest on the bottom of your library.
{g}{g}: Defender of the Grove becomes a 1/1
green Treefolk creature with hexproof and avenge 3 (As long as there are more creature cards
in your graveyard than in an opponent's, this creature gets +3/+3.)