Cheapest priced copy (The Lost Caverns of Ixalan): $0.35 at Card Kingdom, near mint, their price list as of .
Brazen Blademaster 
Creature — Orc Pirate · 2/3 · Common · The Lost Caverns of Ixalan · #136
Whenever this creature attacks while you control two or more artifacts, it gets +2/+1 until end of turn.
Legal inCommanderBrawlStandardPioneerModernLegacyVintagePauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| The Lost Caverns of Ixalan | 136 | Common | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 10 November 2023If you controlled at least two artifacts when you declared Brazen Blademaster as an attacker, it doesn't matter how many you control as its ability resolves. Brazen Blademaster will still get +2/+1 until end of turn.