By transforming every permanent on the battlefield into an artifact through Mycosynth Lattice, we completely rewrite the legal targets for Heliod's Intervention. With those massive quantities of newly minted artifacts locked into our sights, Hinata, Dawn-Crowned steps in to heavily discount the cost—dropping the spell's normally demanding mana requirement down to a mere two mana while letting you obliterate your opponents' entire boards in a single stroke.