TomBstone the Dock Tyrant

Haste

You may exert TomBstone the Dock Tyrant as it
attacks. When you do, it gains intimidate and annihilator 1 until end of turn. (An exerted creature
won't untap during your next untap step.)

{1}{r/g}, Sacrifice two Foods: Untap TomBstone the
Dock Tyrant.