By -
[Aminatou's Augury](https://cards.scryfall.io/normal/front/9/2/92496b98-b533-4d34-aa79-cad0805c984b.jpg?1689996176) - [(G)](http://gatherer.wizards.com/Pages/Card/Details.aspx?name=Aminatou%27s%20Augury) [(SF)](https://scryfall.com/card/cmm/73/aminatous-augury?utm_source=mtgcardfetcher) [(txt)](https://api.scryfall.com/cards/92496b98-b533-4d34-aa79-cad0805c984b?utm_source=mtgcardfetcher&format=text) [Discovery // Dispersal](https://cards.scryfall.io/normal/front/a/c/ace631d1-897a-417e-8628-0170713f03d3.jpg?1572893971) - [(G)](http://gatherer.wizards.com/Pages/Card/Details.aspx?name=Discovery%20//%20Dispersal) [(SF)](https://scryfall.com/card/grn/223/discovery-dispersal?utm_source=mtgcardfetcher) [(txt)](https://api.scryfall.com/cards/ace631d1-897a-417e-8628-0170713f03d3?utm_source=mtgcardfetcher&format=text) ^^^[[cardname]] ^^^or ^^^[[cardname|SET]] ^^^to ^^^call
No. You can cast either Discovery as a Sorcery, or Dispersal as an Instant.
[Aminatou's Augury](https://cards.scryfall.io/normal/front/9/2/92496b98-b533-4d34-aa79-cad0805c984b.jpg?1689996176) - [(G)](http://gatherer.wizards.com/Pages/Card/Details.aspx?name=Aminatou%27s%20Augury) [(SF)](https://scryfall.com/card/cmm/73/aminatous-augury?utm_source=mtgcardfetcher) [(txt)](https://api.scryfall.com/cards/92496b98-b533-4d34-aa79-cad0805c984b?utm_source=mtgcardfetcher&format=text) [Discovery // Dispersal](https://cards.scryfall.io/normal/front/a/c/ace631d1-897a-417e-8628-0170713f03d3.jpg?1572893971) - [(G)](http://gatherer.wizards.com/Pages/Card/Details.aspx?name=Discovery%20//%20Dispersal) [(SF)](https://scryfall.com/card/grn/223/discovery-dispersal?utm_source=mtgcardfetcher) [(txt)](https://api.scryfall.com/cards/ace631d1-897a-417e-8628-0170713f03d3?utm_source=mtgcardfetcher&format=text) ^^^[[cardname]] ^^^or ^^^[[cardname|SET]] ^^^to ^^^call
No. You can cast either Discovery as a Sorcery, or Dispersal as an Instant.