Darksteel Citadel is indestructible. ("Destroy" effects and lethal damage don't destroy it.)
{T}: Add 1 to your mana pool.
Panopticon, forge of the Darksteel Eye, home of Mirrodin's keeper.

• Number: 164
• Rarity: C
• Type: Artifact Land
• Color: Land
• Artist: John Avon