(: Add or to your mana pool.)
Steam Oasis enters the battlefield tapped.
: Steam Oasis becomes a 1/1 red and green Elemental creature with first strike until end of turn. It's still a land.
: Add 
or 
to your mana pool.)
: Steam Oasis becomes a 1/1 red and green Elemental creature with first strike until end of turn. It's still a land.
