Cheapest priced copy (Prophecy): $0.35 at Card Kingdom, near mint, their price list as of .
Reveille Squad 
Creature — Human Rebel · 3/3 · Uncommon · Prophecy · #18
Whenever one or more creatures attack you, if this creature is untapped, you may untap all creatures you control.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper