(: Add or to your mana pool.)
Whenever Steam Tubes becomes tapped, it deals 1 damage to you.
: Put a 1/1 red Dwarf creature token onto the battlefield.
, , Sacrifice Steam Tubes: Put a -1/-1 counter on target creature.
: Add 
or 
to your mana pool.): Put a 1/1 red Dwarf creature token onto the battlefield., , Sacrifice Steam Tubes: Put a -1/-1 counter on target creature.
