(: Add or to your mana pool.)
When Boiler-Canopy enters the battlefield, sacrifice it unless you pay 1 life.
: Boiler-Canopy becomes a 2/1 red and green Goblin creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.): Boiler-Canopy becomes a 2/1 red and green Goblin creature until end of turn. It's still a land.
