(: Add or to your mana pool.)
When Scrub Oasis enters the battlefield, sacrifice it unless you pay .
: Scrub Oasis becomes a 2/1 black and green Wizard creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.).: Scrub Oasis becomes a 2/1 black and green Wizard creature until end of turn. It's still a land.
