Cheapest priced copy (Outlaws of Thunder Junction): $0.35 at Card Kingdom, near mint, their price list as of .
Betrayal at the Vault 
Instant · Uncommon · Outlaws of Thunder Junction · #155
Target creature you control deals damage equal to its power to each of two other target creatures.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Outlaws of Thunder Junction | 155 | Uncommon | $0.35 | $0.49 |
2 rulings from Wizards of the Coast
- 12 April 2024If one of the two other target creatures leaves the battlefield before Betrayal at the Vault resolves, the creature you control will still deal damage to the remaining other target creature.
- 12 April 2024If the creature you control leaves the battlefield before Betrayal at the Vault resolves, Betrayal at the Vault has no effect and no damage is dealt.