Crag Fountain
Land-Island Mountain (Rare)

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

At the beginning of your end step, if you didn't cast any spells this turn, Crag Fountain deals 1 damage to you.

1: Crag Fountain becomes a 2/2 blue Illusion Crab creature until end of turn. It's still a land.

Eric Chippy