Wanderwine Fields
Land (Rare)

Wanderwine Fields enters the battlefield tapped unless you control one or more creatures.

Tap: Add W or U to your mana pool.

Sacrifice Wanderwine Fields: Add W or U to your mana pool.

1: Wanderwine Fields becomes a 2/2 white Spirit creature until end of turn. It's still a land.

Aleksi Moeller