Deathly Shores
Land (Rare)

Deathly Shores enters the battlefield tapped unless you control two or more Black permanents.

Tap: Add 1 to your mana pool.

Tap: Add U or B to your mana pool. Each opponent gains 1 life.

UB: Deathly Shores becomes a 2/1 black and blue Rat creature until end of turn. It's still a land.

Christopher Critchlow