Sea Encampment
Land-Island Mountain (Rare)

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

When Sea Encampment enters the battlefield, sacrifice it unless you pay R.

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

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

Greg Spencer