Cheapest priced copy (Foundations): $0.35 at Card Kingdom, near mint, their price list as of .
Dive Down 
Instant · Common · Foundations · #588
Target creature you control gets +0/+3 and gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)
Legal inCommanderBrawlStandardPioneerModernLegacyVintagePauper
3 printings · $0.35 to $2.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Foundations | 588 | Common | $0.35 | — |
| The List | XLN-53 | Common | $0.35 | — |
| Ixalan | 53 | Common | $0.35 | $2.49 |