Godrick The Grafted

{b}{b}{g}, Exile target creature card from any
graveyard: Godrick The Grafted gets +1/+1 equal
to the exiled cards toughness.
{x}{x}{b/g}: Monstrosity X.
When Godrick The Grafted becomes monstrous, Mutate X Creature cards from any graveyard
onto Godrick The Grafted.