Cheapest priced copy (Ravnica Remastered): $16.99 at Card Kingdom, near mint, their price list as of .
Cloudstone Curio 
Artifact · Mythic · Ravnica Remastered · #443
Whenever a nonartifact permanent you control enters, you may return another permanent you control that shares a permanent type with it to its owner's hand.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
9 printings · $16.99 to $119.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Tales of Middle-earth Commander (Elessar, the Elfstone) | 349 | Mythic | $20.99 | $17.99 |
| Tales of Middle-earth Commander (Elessar, the Elfstone) | 379 | Mythic | — | $44.99 |
| Tales of Middle-earth Commander (Elessar, the Elfstone) | 379z | Mythic | — | — |
| Kaladesh Inventions | 10 | Special | — | $119.99 |
| Ravnica: City of Guilds | 257 | Rare | $18.99 | $24.99 |
| Ravnica Remastered | 255 | Mythic | $16.99 | $16.99 |
| Ravnica Remastered | 391 | Mythic | $18.99 | $22.99 |
| Ravnica Remastered | 391z | Mythic | — | — |
| Ravnica Remastered | 443 | Mythic | $20.99 | $24.99 |