Cheapest priced copy (Commander Legends: Battle for Baldur's Gate): $0.69 at Card Kingdom, near mint, their price list as of .
Thunder Dragon 
Creature — Dragon · 5/5 · Rare · Starter 1999 · #119
Flying
When this creature enters, it deals 3 damage to each creature without flying.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
4 printings · $0.69 to $17.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander Legends: Battle for Baldur's Gate | 810 | Rare | $0.69 | — |
| Duel Decks: Knights vs. Dragons | 61 | Rare | $0.79 | — |
| From the Vault: Dragons | 14 | Rare | — | $5.99 |
| Starter 1999 | 119 | Rare | $17.99 | — |