Baku Altar 152 (Betrayers of Kamigawa)

Whenever you cast a Spirit or Arcane spell, you may put a ki counter on this artifact. {2}, {T}, Remove a ki counter from this artifact: Create a 1/1 colorless Spirit creature token.

NM - $5.10
LP - $4.10
MP - $3.10
HP - $2.10
DMG - $1.50