Darksteel Reactor is a rare Artifact card from Magic: The Gathering (Historic Anthology 1, HA1).
Rare
Historic Anthology 1 (HA1)
{4}
Mana Value
4
Card Text
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.
