When Hollow Aqueduct enters the battlefield, you lose 2 life unless you reveal a Crab Illusion card from your hand.
, Pay 1 life: Add or to your mana pool.
, , Sacrifice Hollow Aqueduct: Draw a card.
Cycling (, Discard this card: Draw a card.)
, Pay 1 life: Add 
or 
to your mana pool.
, , Sacrifice Hollow Aqueduct: Draw a card. (, Discard this card: Draw a card.)
