Tranquil Creek enters the battlefield tapped.
: Add to your mana pool. Tranquil Creek doesn't untap during your next untap step.
: Tranquil Creek becomes a 1/1 white and blue Angel creature with flying until end of turn. It's still a land.
: Add 
to your mana pool. Tranquil Creek doesn't untap during your next untap step.
: Tranquil Creek becomes a 1/1 white and blue Angel creature with flying until end of turn. It's still a land.
