Cheapest priced copy (Adventures in the Forgotten Realms): $0.35 at Card Kingdom, near mint, their price list as of .
Battle Cry Goblin 
Creature — Goblin · 2/2 · Uncommon · Adventures in the Forgotten Realms · #132
{1}{R}: Goblins you control get +1/+0 and gain haste until end of turn.
Pack tactics — Whenever this creature attacks, if you attacked with creatures with total power 6 or greater this combat, create a 1/1 red Goblin creature token that's tapped and attacking.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
3 printings · $0.35 to $0.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Adventures in the Forgotten Realms | 132 | Uncommon | $0.35 | $0.99 |
| Foundations Jumpstart | 127 | Uncommon | $0.35 | — |
| The List | AFR-132 | Uncommon | $0.35 | — |
One ruling from Wizards of the Coast
- 23 July 2021Battle Cry Goblin's activated ability will affect only Goblins you control as it resolves. If you activate it before attacking and then create a Goblin with its triggered ability during combat, the Goblin you create will not get +1/+0.