Phiona, Queen of Blades

+2: Deal X damage to target creature or opponent, where X equals the number of Blade Counters on Phiona, Queen of Blades.
0: Until the beginning of your next turn, add a Sword Counter to Phiona, Queen of Blades any time you or a creature you control deals damage.
-9: Deal X damage to all opponents, where X equals twice the number of Sword Counters on Phiona, Queen of Blades.