Meadow Oasis enters the battlefield tapped.
: Add or to your mana pool.
Put Meadow Oasis on top of your library: Add to your mana pool.
: Meadow Oasis becomes a 2/1 white and green Bird creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.
to your mana pool. : Meadow Oasis becomes a 2/1 white and green Bird creature until end of turn. It's still a land.
