(: Add or to your mana pool.)
When Howltooth Volcano enters the battlefield, sacrifice it unless you pay .
, Sacrifice a Swamp: Add to your mana pool.
, : Howltooth Volcano deals 1 damage to target creature.
: Add 
or 
to your mana pool.)., Sacrifice a Swamp: Add to your mana pool.
, : Howltooth Volcano deals 1 damage to target creature.
