(: Add or to your mana pool.)
When Caldera Hollows enters the battlefield, you lose 1 life unless you reveal a Red card from your hand.
, : Target creature gains haste until end of turn.
, : Put a +1/+1 counter on target creature.
: Add 
or 
to your mana pool.), : Target creature gains haste until end of turn.
, : Put a +1/+1 counter on target creature.
