Cheapest priced copy (Forgotten Realms Commander): $0.49 at Card Kingdom, near mint, their price list as of .
Spit Flame 
Instant · Rare · Core Set 2019 · #160
Spit Flame deals 4 damage to target creature.
Whenever a Dragon you control enters, you may pay {R}. If you do, return this card from your graveyard to your hand.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
6 printings · $0.49 to $2.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Forgotten Realms Commander | 142 | Rare | $0.49 | — |
| Foundations Commander | 177 | Rare | $0.49 | — |
| Core Set 2019 | 160 | Rare | $0.49 | $2.99 |
| Core Set 2019 Promos | 160s | Rare | — | $1.79 |
| Starter Commander Decks | 158 | Rare | $0.49 | — |
| Tarkir: Dragonstorm Commander | 234 | Rare | $0.49 | — |