Cheapest priced copy (Foundations): $0.35 at Card Kingdom, near mint, their price list as of .
Devout Decree 
Sorcery · Uncommon · Core Set 2020 · #13
Exile target creature or planeswalker that's black or red. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Foundations | 571 | Uncommon | $0.35 | — |
| Core Set 2020 | 13 | Uncommon | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 12 July 2019If the target creature or planeswalker is an illegal target by the time Devout Decree tries to resolve, the spell doesn't resolve. You won't scry 1.