Restless Anchorage [The Lost Caverns of Ixalan Prerelease Cards]

Restless Anchorage enters the battlefield tapped.

T: Add W or U.

1WU: Until end of turn, Restless Anchorage becomes a 2/3 white and blue Bird creature with flying. It's still a land.

Whenever Restless Anchorage attacks, create a Map token.