Skullmane Baku

Schädelmähnen-Baku (Skullmane Baku) (de)

Creature - Spirit | Power/Toughness: 2 / 1 (CMC 5)
Whenever you cast a Spirit or Arcane spell, you may put a ki counter on Skullmane Baku.
, , Remove X ki counters from Skullmane Baku: Target creature gets -X/-X until end of turn.