Cheapest priced copy (Rivals of Ixalan): $0.35 at Card Kingdom, near mint, their price list as of .
Soul of the Rapids 
Creature — Elemental · 3/2 · Common · Rivals of Ixalan · #56
Flying
Hexproof (This creature can't be the target of spells or abilities your opponents control.)
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Rivals of Ixalan | 56 | Common | $0.35 | $0.49 |