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