(: Add or to your mana pool.)
When Calciform Grove enters the battlefield, sacrifice it unless you pay 1 life.
, : Put a 1/1 Knight creature token onto the battlefield.
, : You gain 1 life.
: Add 
or 
to your mana pool.)
, : Put a 1/1 Knight creature token onto the battlefield.
, : You gain 1 life.
