Denahelmi, Deathwarden

Creature spells cannot be exiled from graveyards.
Denahelmi, Deathwarden gets -1/+1 for each
troll creature in your graveyard.
{w}{b}{g},{t}: Search your library for a troll
creature and put it into your graveyard. Shuffle
your library.
Denahelmi guards the resting place of the dead and
undead.