Cheapest priced copy (Jumpstart 2022): $0.35 at Card Kingdom, near mint, their price list as of .
Instruments of War 
Artifact · Uncommon · Jumpstart 2022 · #50
Flash
As this artifact enters, choose a creature type.
Creatures you control of the chosen type get +1/+1.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $0.35 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Jumpstart 2022 | 50 | Uncommon | $0.35 | — |
2 rulings from Wizards of the Coast
- 2 December 2022You must choose an existing creature type, such as Human or Warrior. Card types such as artifact and supertypes such as legendary can't be chosen.
- 2 December 2022The choice of creature type is made as Instruments of War enters the battlefield. Players can't take any actions between the time the choice is made and the time the appropriate creatures begin to get +1/+1.