Cheapest priced copy (Aetherdrift): $5.99 at Card Kingdom, near mint, their price list as of .
Riptide Gearhulk 
Artifact Creature — Construct · 2/5 · Mythic · Aetherdrift Promos · #219p
Double strike
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
When this creature enters, for each opponent, put up to one target nonland permanent that player controls into its owner's library third from the top.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
6 printings · $5.99 to $39.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Aetherdrift | 219 | Mythic | $5.99 | $5.99 |
| Aetherdrift | 353 | Mythic | $8.49 | $12.99 |
| Aetherdrift | 490 | Mythic | — | $9.99 |
| Aetherdrift | 552 | Mythic | — | $39.99 |
| Aetherdrift Promos | 219p | Mythic | $6.49 | $6.99 |
| Aetherdrift Promos | 219s | Mythic | — | $7.99 |