Coral Ruins
Land (Rare)

Coral Ruins enters the battlefield tapped unless you control an enchantment.

Tap: Add U or B to your mana pool.

Put Coral Ruins on top of your library: Add 1 to your mana pool.

2: Coral Ruins becomes a 2/2 blue Cephalid Illusion creature until end of turn. It's still a land.

Chippy Moeller