Waterveil Hollows
Land-Forest Island (Rare)

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

When Waterveil Hollows enters the battlefield, sacrifice it unless you pay 3 life.

2U, Tap: Draw a card, then discard a card.

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

Ron Grant West