Sev, Hellish Lord

When Recall, Chosen Sacrifice transforms into
Sev, Hellish Lord, create four 1/1 black Human
Priest creature tokens.
Trample, Indestructible.
Sev, Hellish Lord gets +1/+1 for each creature in graveyards and in exile.
Offering—{b}{b}{r}{r}, {t}: Exile or Destroy target creature.