Darth Vader, Sith Lord

When Darth Vader, Sith Lord enters and at the beginning of your upkeep, put a force counter on Darth Vader.

Darth Vader's power is equal to the number of force counters on it.

{u}{u}{r}{r}{t}: Remove any number of force counters on Darth Vader. Destroy target creature with toughness X, where X is the number of twice the force counters you removed, rounded up. Its controller mills cards equal to its toughness.