Flooded Volcano enters the battlefield tapped unless you reveal an artifact card from your hand.
: Add to your mana pool. If you played a land this turn, Add to your mana pool instead.
, Sacrifice Flooded Volcano: Add to your mana pool.
: Add 
to your mana pool. If you played a land this turn, Add 
to your mana pool instead., Sacrifice Flooded Volcano: Add 
to your mana pool.
