(: Add or to your mana pool.)
Calciform Ruins enters the battlefield tapped unless you pay .
: Calciform Ruins becomes a 2/1 white and blue Knight creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.)
.: Calciform Ruins becomes a 2/1 white and blue Knight creature until end of turn. It's still a land.
