Wave Foundry
Land-Island Mountain (Rare)

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

When Wave Foundry enters the battlefield, sacrifice it unless you pay 1 life.

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

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

Jason Briclot