Pine Furnace enters the battlefield tapped unless you pay .
, : Add , or to your mana pool.
: Pine Furnace becomes a 2/2 red and green Leech creature with trample until end of turn. It's still a land.
.
, 
: Add 
, or to your mana pool.
: Pine Furnace becomes a 2/2 red and green Leech creature with trample until end of turn. It's still a land.
