(: Add or to your mana pool.)
Calciform Furnace enters the battlefield tapped unless you pay 1 life.
: Calciform Furnace becomes a 1/1 red and white Angel creature with first strike until end of turn. It's still a land.
: Add 
or 
to your mana pool.)
: Calciform Furnace becomes a 1/1 red and white Angel creature with first strike until end of turn. It's still a land.
