Flooded Keep
Artifact Land (Rare)

(Flooded Keep isn't a spell.)

Flooded Keep enters the battlefield tapped unless you control an enchantment.

Flooded Keep is indestructible. (Destroy effects and lethal damage don't destroy it.)

1, Tap: Add UU, UR or RR to your mana pool. Flooded Keep deals 1 damage to you.

Steve Prescott