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Gemstone Caverns appears in 219 competitive decklists in our database. Modern accounts for 94.5% of lists. Coverage spans June 2021 to July 2026.
| Format | Decks | Share |
|---|---|---|
| 207 | 94.5% |
Other ingested formats (not in the competitive breakdown): 5.5%
Lists are sourced from competitive Magic: The Gathering events ingested from magic.gg and related feeds. Card names, oracle text, and images are provided via Scryfall. Synergy rates show how often another card appears in the same decklist. Data is updated as new events are imported.
Data updated through July 2026 · Last decklist seen: Pro Tour Magic: The Gathering | Marvel Super Heroes, Jul 17, 2026
