Sunken Stronghold
Artifact Land (Rare)

(Sunken Stronghold isn't a spell.)

When Sunken Stronghold enters the battlefield, sacrifice it unless you pay 2 life.

Sunken Stronghold is indestructible. (Destroy effects and lethal damage don't destroy it.)

U, Tap: Add BB to your mana pool.

B, Tap: Add UU to your mana pool.

Rebecca Avon