Griffith, the White Hawk

First strike, Trample
While Griffith, the White Hawk is under your control, every mercenary you control has +2 +2
{b}{b}{b}{b}{b},{t}: Sacrifice every creature you control, Griffith the White Hawk gets +X +X where X is
the number of creatures you sacrificed this way, Griffith, the White Hawk becomes a god in addition
to its existing creature types and has Hexproof