John, Weird of Confucius

{p/u}{p/b}{p/r}: Choose 1 of the following;
•Gain one Experience counter
•John deals {x} targets {x} damage
•Return target creature from a graveyard with
CMC {x} or less
{bull}Your next Instant or Sorcery costs {x} less
{x} is equal to your experience counters.
You can only activate this ability once per turn