Lantern-Lit Peninsula
Land-Island Mountain (Rare)

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

Whenever Lantern-Lit Peninsula becomes tapped, it deals 1 damage to you.

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

2, Tap: Target land becomes a 3/3 blue Merfolk creature until end of turn. It's still a land.

Greg Staples