Troll of the Crossroad

Ferocious - As long as you control a creature
with power 4 or greater, Troll of the Crossroad
has +1/+0 and protection from colorless.
Morph — Exile three cards from your graveyard.
When Troll of the Crossroads is turned face up,
exile a card from the top of your library. You
may play it this turn. If you don't, you may flip
Troll of the Crossroad face down.