Cheapest priced copy (Fifth Dawn): $0.69 at Card Kingdom, near mint, their price list as of .
Feedback Bolt 
Instant · Uncommon · Fifth Dawn · #64
Feedback Bolt deals damage to target player or planeswalker equal to the number of artifacts you control.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $0.69 to $1.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Fifth Dawn | 64 | Uncommon | $0.69 | $1.49 |