Lingering Arcana

You get an echo counter, then you may copy an instant or sorcery spell with converted mana cost equal to the number of echo counters you have and you may choose new targets for the copy. Exile Lingering Arcana.
Whenever you cast an instant or sorcery spell,
you may cast Lingering Arcana from exile without paying its mana cost.
Magic never disappears; it only fades.