Cultist of Synra

{w}{b}, Sacrifice a creature: Draw a card. Each
opponent loses 1 life and you gain that much life.
Put a curse counter on Cultist of Synra.
At the beginning of your upkeep, if there are
seven or more curse counters on Cultist of Synra, sacrifice it and create Synra, a legendary 13/13
white and black Spirit creature token with flying, deathtouch, lifelink, and indestructible.
"From me she shall rise."