(: Add or to your mana pool.)
Wave Oasis enters the battlefield tapped.
: Wave Oasis becomes a 2/1 blue and green Fish Illusion creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.): Wave Oasis becomes a 2/1 blue and green Fish Illusion creature until end of turn. It's still a land.
