(: Add or to your mana pool.)
Isle Tubes enters the battlefield tapped.
, : Draw a card, then discard a card.
, , Sacrifice Isle Tubes: Put a -1/-1 counter on target creature.
: Add 
or 
to your mana pool.)
, : Draw a card, then discard a card., , Sacrifice Isle Tubes: Put a -1/-1 counter on target creature.
