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