Cheapest priced copy (War of the Spark): $0.49 at Card Kingdom, near mint, their price list as of .
Gideon's Battle Cry 
Sorcery · Rare · War of the Spark · #267
Put a +1/+1 counter on each creature you control. You may search your library and/or graveyard for a card named Gideon, the Oathsworn, reveal it, and put it into your hand. If you search your library this way, shuffle.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
1 printing · $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| War of the Spark | 267 | Rare | $0.49 | — |
One ruling from Wizards of the Coast
- 3 May 2019You may cast Gideon’s Battle Cry while you control no creatures. You’ll still search for Gideon.