Obsidian Obelisk

Artifact

This artifact enters tapped. {T} : Add {C} . {T} : Add one mana of any color. Spend this mana only to cast a multicolored spell.

standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL