Muscular, Vanguard Leader

+2: Stockpile Power (Place a power counter on target power token with the same name as this card. if you don't control one, create one.)
0: Sacrifice a power token with the same name as Muscular, Vanguard Leader. Prevent all combat damage this turn.
-20: Use Power (sacrifice a power token. Deal damage equal to the number of counters on token to target creature or Planeswalker.)