(: Add or to your mana pool.)
Smoldering Basin enters the battlefield tapped.
: Smoldering Basin becomes a 2/1 red and green Troll creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.): Smoldering Basin becomes a 2/1 red and green Troll creature until end of turn. It's still a land.
