Darksteel Reactor

Artifact, 4 (4)
Darksteel Reactor is indestructible. ("Destroy" effects and lethal damage don't destroy it.)

At the beginning of your upkeep, you may put a charge counter on Darksteel Reactor.

When Darksteel Reactor has twenty or more charge counters on it, you win the game.¹
Illus. Kev Walker

Format Legality	Legal in Vintage, Legacy, Extended, MTGO Classic Banned in Standard
Printings (1/8)	Darksteel (Rare)