Cheapest priced copy (Commander Legends: Battle for Baldur's Gate): $47.99 at Card Kingdom, near mint, their price list as of .
Ancient Brass Dragon 
Creature — Elder Dragon · 7/6 · Mythic · Commander Legends: Battle for Baldur's Gate · #111
Flying
Whenever this creature deals combat damage to a player, roll a d20. When you do, put any number of target creature cards with total mana value X or less from graveyards onto the battlefield under your control, where X is the result.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
4 printings · $47.99 to $149.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander Legends: Battle for Baldur's Gate | 111 | Mythic | $47.99 | $54.99 |
| Commander Legends: Battle for Baldur's Gate | 367 | Mythic | $84.99 | $149.99 |
| Commander Legends: Battle for Baldur's Gate | 389 | Mythic | $47.99 | $64.99 |
| Battle for Baldur's Gate Promos | 111s | Mythic | — | $57.99 |