Darksteel Reactor 134 (Commander: Edge of Eternities)

Indestructible (Effects that say "destroy" don't destroy this artifact.) At the beginning of your upkeep, you may put a charge counter on this artifact. When this artifact has twenty or more charge counters on it, you win the game.

NM - $1.50
LP - $1.50
MP - $1.50
HP - $1.50
DMG - $1.50