That is the powerful Trade ability one that lets you discard one card to draw two more cards
Conceivably, you could set up your deck so that every non-Aether Rift card is a huge creature that forces life payments each turn
And this deck was the tightest, by far, of the various builds and could kill faster without any changes than the others
Luckily, Blood Rites has plenty of sacrifice outlets , such as Viscera Seer, Master of Dark Rites, Indulgent Aristrocrat, Bartolome del Presidio, and Etchings of the Chosen
Immortal Coil Immortal Coil provides a strange protection spell that effectively deflects damage from your face to your graveyard and keeps you alive for longer than you have any right to be, assuming you fuel it with cards like Cemetery Tampering and Mesmeric Orb