Sorin's Return

As an additional cost to cast Sorin's Return, discard a creature or Planeswalker card.
If you discarded a creature, target creature you control gets X +1/+1 counters where X is the discarded creature's power.
If you discarded a Planeswalker, target Planeswalker you control gets put X Loyalty Counters on it where X is the starting Loyalty of the discarded Planeswalker.