Cheapest priced copy (Dissension): $0.35 at Card Kingdom, near mint, their price list as of .
Riot Spikes 
Enchantment — Aura · Common · Dissension · #146
({B/R} can be paid with either {B} or {R}.)
Enchant creature
Enchanted creature gets +2/-1.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Dissension | 146 | Common | $0.35 | $0.49 |
| RNA Guild Kit | 73 | Common | $0.35 | — |