Cheapest priced copy (Marvel Super Heroes Commander): $0.49 at Card Kingdom, near mint, their price list as of .
War Machine, Avenging Arsenal 
Legendary Artifact Creature — Human Hero · 3/5 · Rare · Marvel Super Heroes Commander · #63
Flying
Whenever War Machine attacks, attacking modified creatures you control gain double strike until end of turn. (Equipment, Auras you control, and counters are modifications.)
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $0.49 to $2.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Marvel Super Heroes Commander | 63 | Rare | $0.49 | $0.79 |
| Marvel Super Heroes Commander | 375 | Rare | $2.49 | — |