Cheapest priced copy (Innistrad: Double Feature): $0.35 at Card Kingdom, near mint, their price list as of .
Whispering Wizard 
Creature — Human Wizard · 3/2 · Uncommon · Innistrad: Crimson Vow · #88
Whenever you cast a noncreature spell, create a 1/1 white Spirit creature token with flying. This ability triggers only once each turn.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Innistrad: Double Feature | 355 | Uncommon | $0.35 | $0.49 |
| Innistrad: Crimson Vow | 88 | Uncommon | $0.35 | $0.49 |