Merfolk Ground
Land (Rare)

Merfolk Ground enters the battlefield tapped unless you pay 2.

Tap: Add 1 to your mana pool.

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

GU: Merfolk Ground becomes a 2/1 blue and green Merfolk creature until end of turn. It's still a land.

Allan Prescott