Mosswort Foothills
Land (Rare)

Tap: Search your library for a Mountain or Forest card and put it onto the battlefield tapped. Shuffle your library, then put Mosswort Foothills on top of it.

1R: Mosswort Foothills becomes a 1/1 red and green Leech creature with first strike until end of turn. It's still a land.

Kev Grant West