Dragoth, Rising Warchief

Intern (Dragoth, Rising Warchief can be your commander in addition to your other commander(s))
Eminence - As long as Dragoth, Rising Warchief is in the command zone or on the battlefield, at the beginning of each end step, Dragoth deals 1 damage to you if no creatures attacked this turn.
Haste
{3}{r}{r} Exile Dragoth, Rising Warchief: Creatures you control gain double strike, trample, and haste until end of turn.