Elas il-Kor, Sadistic Pilgrim artwork was done by G-host Lee from Dominaria United
It essentially replaces itself and can then start buffing your board, but the cost of sacrificing an artifact for 3 mana is very steep
This includes those which synergise with noncreature spells or sacrificing, since artifacts in this set tend to support those mechanics too
Then exile this spell.) "Harmonize [cost]" means "You may cast this card from your graveyard by paying [cost] and tapping up to one untapped creature you control rather than paying the spell's mana cost," "If you cast this spell using its harmonize ability, its total cost is reduced by an amount of generic mana equal to the tapped creature's power," and "If the harmonize cost was paid, exile this card instead of putting it anywhere else any time it would leave the stack." Tapping a creature won't reduce colored mana components of harmonize costs
Kess states that, once during each of your turns, you can cast an instant or sorcery from your graveyard, effectively providing each spell of these types with flashback