Cheapest priced copy (Modern Horizons 3): $5.49 at Card Kingdom, near mint, their price list as of .
Flare of Denial 
Instant · Rare · Modern Horizons 3 · #400
You may sacrifice a nontoken blue creature rather than pay this spell's mana cost.
Counter target spell.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
4 printings · $5.49 to $39.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Modern Horizons 3 | 62 | Rare | $5.49 | $5.99 |
| Modern Horizons 3 | 326 | Rare | $15.99 | $39.99 |
| Modern Horizons 3 | 400 | Rare | $7.99 | $27.99 |
| Modern Horizons 3 Promos | 62s | Rare | — | $14.99 |