Cheapest priced copy (Jumpstart 2022): $0.35 at Card Kingdom, near mint, their price list as of .
Electric Revelation 
Instant · Common · Innistrad: Midnight Hunt · #135
As an additional cost to cast this spell, discard a card.
Draw two cards.
Flashback {3}{R} (You may cast this card from your graveyard for its flashback cost and any additional costs. Then exile it.)
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
5 printings · $0.35 to $7.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Innistrad: Double Feature | 135 | Common | $0.99 | $7.99 |
| Jumpstart 2022 | 526 | Common | $0.35 | — |
| Innistrad: Midnight Hunt | 135 | Common | $0.35 | $0.79 |
| Outlaws of Thunder Junction Commander | 163 | Common | $0.35 | — |
| The List | J22-526 | Common | $0.35 | — |
One ruling from Wizards of the Coast
- 24 September 2021If you cast Electric Revelation using flashback, you must still pay its additional cost of discarding a card.