Watery Highlands
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, Watery Highlands deals 1 damage to you.

1R: Watery Highlands becomes a 1/1 blue and red Merfolk creature with first strike until end of turn. It's still a land.

Jason Argyle