(: Add or to your mana pool.)
When Caldera Carnarium enters the battlefield, return a land you control to its owner's hand.
, : Target creature gains haste until end of turn.
, , Sacrifice Caldera Carnarium: Put a -1/-1 counter on target creature.
: Add 
or 
to your mana pool.), : Target creature gains haste until end of turn., , Sacrifice Caldera Carnarium: Put a -1/-1 counter on target creature.
