Worn Powerstone enters the battlefield tapped. {T}: Add {C}{C}.
"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."
—Oltec archaeological survey
![Worn Powerstone (Borderless) [The Lost Caverns of Ixalan Commander]](http://abyssgamestore.ca/cdn/shop/files/eccbb24a-918b-42ab-bcb4-cd3c131da9d5.png?v=1753915692&width=1445)