Caldera-works enters the battlefield tapped unless you pay .
: Add or to your mana pool.
Sacrifice Caldera-works: Add or to your mana pool.
, Sacrifice Caldera-works: Caldera-works deals 1 damage to target creature or player.
.
: Add or 
to your mana pool. or to your mana pool., Sacrifice Caldera-works: Caldera-works deals 1 damage to target creature or player.
