(: Add or to your mana pool.)
When Boiler-Valley enters the battlefield, return a land you control to its owner's hand.
: Boiler-Valley becomes a 2/2 green Bear Snake creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.)
: Boiler-Valley becomes a 2/2 green Bear Snake creature until end of turn. It's still a land.
