Waxmane Baku 
Creature — Spirit
Whenever you cast a Spirit or Arcane spell, you may put a ki counter on this creature.
, Remove X ki counters from this creature: Tap X target creatures.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL