Cheapest priced copy (Kamigawa: Neon Dynasty): $0.35 at Card Kingdom, near mint, their price list as of .
Disruption Protocol 
Instant · Common · Kamigawa: Neon Dynasty · #51
As an additional cost to cast this spell, tap an untapped artifact you control or pay {1}.
Counter target spell.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
1 printing · $0.35 to $0.79 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Kamigawa: Neon Dynasty | 51 | Common | $0.35 | $0.79 |