Cheapest priced copy (Commander Legends: Battle for Baldur's Gate): $0.59 at Card Kingdom, near mint, their price list as of .
Sprite Dragon 
Creature — Faerie Dragon · 1/1 · Uncommon · Commander Legends: Battle for Baldur's Gate · #852
Flying, haste
Whenever you cast a noncreature spell, put a +1/+1 counter on this creature.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
5 printings · $0.59 to $2.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander Legends: Battle for Baldur's Gate | 852 | Uncommon | $0.59 | — |
| Ikoria: Lair of Behemoths | 211 | Uncommon | $0.69 | $0.99 |
| Ikoria: Lair of Behemoths | 369 | Uncommon | $1.29 | $2.99 |
| Ikoria: Lair of Behemoths (Dorat, the Perfect Pet) | 382 | Uncommon | $1.49 | $0.99 |
| Media and Collaboration Promos | 2020-5 | Rare | — | — |
One ruling from Wizards of the Coast
- 17 April 2020An ability that triggers when a player casts a spell resolves before the spell that caused it to trigger. It resolves even if that spell is countered.