Cheapest priced copy (Edge of Eternities): $0.35 at Card Kingdom, near mint, their price list as of .
Frontline War-Rager 
Creature — Kavu Soldier · 2/3 · Common · Edge of Eternities · #134
At the beginning of your end step, if you control two or more tapped creatures, put a +1/+1 counter on this creature.
Legal inCommanderBrawlStandardPioneerModernLegacyVintagePauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Edge of Eternities | 134 | Common | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 25 July 2025Frontline War-Rager’s ability will check as your end step starts to see if you control two or more tapped creatures. If you don’t, the ability won’t trigger at all. You won’t be able to tap anything during your end step in time to have the ability trigger. If you don’t control two or more tapped creatures when the ability resolves, the ability won’t do anything