Cheapest priced copy (Edge of Eternities): $0.35 at Card Kingdom, near mint, their price list as of .
Luxknight Breacher 
Creature — Human Knight · 2/2 · Common · Edge of Eternities · #26
This creature enters with a +1/+1 counter on it for each other creature and/or artifact you control.
Legal inCommanderBrawlStandardPioneerModernLegacyVintagePauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Edge of Eternities | 26 | Common | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 25 July 2025In the rare case where Luxknight Breacher enters at the same time as one or more other creatures and/or artifacts you control, it doesn’t count those other creatures and/or artifacts. It counts only creatures and/or artifacts that are already on the battlefield under your control.