Elementalists Palette 76 (Commander 2021)

Whenever you cast a spell with {X} in its mana cost, put two charge counters on this artifact. {T}: Add one mana of any color. {T}: Add {C} for each charge counter on this artifact. Spend this mana only on costs that contain {X}.

NM - $2.30
LP - $1.90
MP - $0.90
HP - $0.60
DMG - $0.40