flavorText: "The strange energy source isn't cosmium after all, but some unidentifiable material that has leached cosmium residue from the walls. Could be dangerous. Could change everything."\n—Oltec archaeological survey
name: Worn Powerstone
originalText: Worn Powerstone enters the battlefield tapped.\n{T}: Add {C}{C}.
printings: 40K, C14, C15, C17, C18, CM2, CMM, DDE, EMA, HA7, LCC, LTC, MH3, PLST, PMEI, PZ1, SCD, USG, WC99
text: This artifact enters tapped.\n{T}: Add {C}{C}.
type: Artifact