name: Caves of Koilos
originalText: oc\nT: Add one colorless mana to your mana pool.\noc\nT: Add o\nW or o\nB to your mana pool. Caves of Koilos deals 1 damage to you.
printings: 10E, 9ED, APC, C16, C20, C21, DMU, DSC, M15, M3C, MD1, ORI, OTC, PDMU, PRM
text: {T}: Add {C}.\n{T}: Add {W} or {B}. Caves of Koilos deals 1 damage to you.