(: Add or to your mana pool.)
At the beginning of your upkeep, Calciform Pool deals 1 damage to target creature you control.
, , Sacrifice Calciform Pool: Prevent all combat damage that would be dealt this turn.
, : Target player loses 1 life.
: Add 
or 
to your mana pool.), , Sacrifice Calciform Pool: Prevent all combat damage that would be dealt this turn.
, : Target player loses 1 life.
