Whenever Stomping Tubes becomes tapped, it deals 1 damage to you.
: Add to your mana pool. Return Stomping Tubes to its owner's hand.
, Sacrifice Stomping Tubes: Stomping Tubes deals 1 damage to target creature or player.
: Add 
to your mana pool. Return Stomping Tubes to its owner's hand., Sacrifice Stomping Tubes: Stomping Tubes deals 1 damage to target creature or player.
