Forcing the hand of god

(When this saga enters and after your draw step add
a lore counter. Sacrfice after turn IV)
I: exile creature or planeswalker
II: poison 2
III: return a politician from the graveyard to the battlefield.
IV: a creature get +2/+2 and indestructible, it
also add the demigod type
— I destroyed my brother, poison his mother and our
father, returned you from exile. You will crown me
king like it or not — Baelan, bastard of the king