(: Add or to your mana pool.)
Scrub Needle enters the battlefield tapped.
: Scrub Needle becomes a 2/1 black and red Specter creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.): Scrub Needle becomes a 2/1 black and red Specter creature until end of turn. It's still a land.
