Abandoned Reef
Land (Rare)

When Abandoned Reef enters the battlefield, sacrifice it unless you pay 2 life.

Tap, Pay 1 life: Add W or U to your mana pool.

1, Tap, Sacrifice Abandoned Reef: Draw a card.

3: Abandoned Reef becomes a 2/2 white Cleric creature until end of turn. It's still a land.

Chippy Staples