: (As this saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I,II: Create a 1/1 black snake creature token with deathtouch and "Whenever a creature an opponent controls dies, put a +1/+1 counter on this creature."

III: Sacrifice all cratures you control and create a black snake creature token with the abilities of target creature in your graveyard and thats power and toughness are equal to the total power among creature cards in your graveyard.