Moonring-land
Land-Plains Island (Rare)

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

Moonring-land enters the battlefield tapped unless you pay 2.

2U, Tap: Put a 1/1 blue Shapeshifter creature token with flying onto the battlefield.

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

Steve Critchlow