Cheapest priced copy (Commander Legends: Battle for Baldur's Gate): $0.99 at Card Kingdom, near mint, their price list as of .
Font of Magic 
Enchantment · Mythic · Commander Legends: Battle for Baldur's Gate · #71
Instant and sorcery spells you cast cost {1} less to cast for each time you've cast a commander from the command zone this game.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
3 printings · $0.99 to $1.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander Legends: Battle for Baldur's Gate | 71 | Mythic | $0.99 | $0.99 |
| Commander Legends: Battle for Baldur's Gate | 562 | Mythic | $0.99 | $1.99 |
| Battle for Baldur's Gate Promos | 71s | Mythic | — | $1.79 |
One ruling from Wizards of the Coast
- 10 June 2022This includes Backgrounds that are your commander.