Howltooth Pools enters the battlefield tapped unless you reveal a nonbasic land card from your hand.
, Pay 1 life: Add or to your mana pool.
, , Sacrifice Howltooth Pools: Draw a card.
, Sacrifice Howltooth Pools: Add to your mana pool.
, Pay 1 life: Add 
or 
to your mana pool.
, , Sacrifice Howltooth Pools: Draw a card., Sacrifice Howltooth Pools: Add 
to your mana pool.
