Secrets of the Key 
Instant
Appears in 348 of 17,489 decks (2.0%).
Appears with these commanders:
| Commander | Decks | Synergy ↓ |
|---|---|---|
| Battlewing Mystic | 1 | None |
| Daring Sleuth // Bearer of Overwhelming Truths | 3 | 0.98 |
| Wall of Wonder | 2 | 0.98 |
| Ellyn Harbreeze, Busybody + Dungeon Delver | 1 | 0.98 |
| Vhal, Candlekeep Researcher + Hardy Outlander | 1 | 0.98 |
| Marauding Looter | 1 | 0.98 |
| Behold the Unspeakable // Vision of the Unspeakable | 1 | 0.98 |
| Haunting Apparition | 1 | 0.98 |
| Curious Cadaver | 1 | 0.98 |
| Whirlpool Drake | 1 | 0.98 |
| Keskit, the Flesh Sculptor + Glacian, Powerstone Engineer | 1 | 0.98 |
| Junk Winder | 10 | 0.65 |
| Vhal, Candlekeep Researcher + Far Traveler | 2 | 0.65 |
| Vhal, Candlekeep Researcher + Agent of the Iron Throne | 2 | 0.65 |
| Rootcoil Creeper | 3 | 0.58 |
| Doc Aurlock, Grizzled Genius | 20 | 0.57 |
| Civilized Scholar // Homicidal Brute | 4 | 0.55 |
| Devoted Grafkeeper // Departed Soulkeeper | 4 | 0.55 |
| Gleaming Geardrake | 26 | 0.49 |
| Wandering Mind | 2 | 0.48 |
| Evidence Examiner | 2 | 0.48 |
| Whispering Wizard | 1 | 0.48 |
| Dreamscape Artist | 1 | 0.48 |
| Novijen Sages | 1 | 0.48 |
| Cephalid Broker | 1 | 0.48 |
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