(: Add or to your mana pool.)
At the beginning of your end step, if you didn't cast any spells this turn, Woodlot Tubes deals 1 damage to you.
, : You gain 1 life.
, , Sacrifice Woodlot Tubes: Put a -1/-1 counter on target creature.
: Add 
or 
to your mana pool.)
, : You gain 1 life., , Sacrifice Woodlot Tubes: Put a -1/-1 counter on target creature.
