Calciform Marsh
Land-Plains Island (Rare)

(Tap: Add W or U to your mana pool.)

Calciform Marsh enters the battlefield tapped unless you control three or more creatures.

1, Tap: Target land becomes a 2/2 white Cleric creature until end of turn. It's still a land.

U, Tap, Sacrifice Calciform Marsh: Return target creature you control to its owner's hand.

Jesper Palck