---
target_card: Keeper of the Secret Lair
mana_cost: "{1}{U}"
type_line: "Legendary Creature — Merfolk Rogue"
algorithm: "4096-dimensional Qwen 8B Cosine Similarity over 38,000 Oracle embeddings"
canonical_url: https://avascry.com/similar/keeper-of-the-secret-lair
json_api: https://avascry.com/similar/keeper-of-the-secret-lair.json
---

# Cards Similar & Synergistic to Keeper of the Secret Lair

- **Target Card:** [Keeper of the Secret Lair](https://avascry.com/printing/keeper-of-the-secret-lair-ph19) (Legendary Creature — Merfolk Rogue) `{1}{U}`
- **Algorithm:** 4096-dimensional Qwen 8B Cosine Similarity over 38,000 Oracle embeddings
- **JSON API:** https://avascry.com/similar/keeper-of-the-secret-lair.json

## Top 31 Synergistic Matches

1. [**Cunning Nightbonder**](https://avascry.com/printing/cunning-nightbonder-iko) `{U/B}{U/B}` — *Creature — Human Rogue*
2. [**Merfolk of the Depths**](https://avascry.com/printing/merfolk-of-the-depths-rvr) `{4}{G/U}{G/U}` — *Creature — Merfolk Soldier*
3. [**Rootwater Shaman**](https://avascry.com/printing/rootwater-shaman-tmp) `{2}{U}` — *Creature — Merfolk Shaman*
4. [**Cloaked Siren**](https://avascry.com/printing/cloaked-siren-cn2) `{3}{U}` — *Creature — Siren*
5. [**Brineborn Cutthroat**](https://avascry.com/printing/brineborn-cutthroat-m20) `{1}{U}` — *Creature — Merfolk Pirate*
6. [**Undersea Invader**](https://avascry.com/printing/undersea-invader-khm) `{4}{U}{U}` — *Creature — Giant Rogue*
7. [**Vodalian Hexcatcher**](https://avascry.com/printing/vodalian-hexcatcher-dmu) `{1}{U}` — *Creature — Merfolk Wizard*
8. [**Harbinger of the Tides**](https://avascry.com/printing/harbinger-of-the-tides-pori) `{U}{U}` — *Creature — Merfolk Wizard*
9. [**Singer of Swift Rivers**](https://avascry.com/printing/singer-of-swift-rivers-lcc) `{1}{G}{U}` — *Creature — Merfolk Shaman*
10. [**Wind Strider**](https://avascry.com/printing/wind-strider-plst) `{4}{U}` — *Creature — Merfolk Wizard*
11. [**Seafloor Stalker**](https://avascry.com/printing/seafloor-stalker-znr) `{2}{U}` — *Creature — Merfolk Rogue*
12. [**Shielded Aether Thief**](https://avascry.com/printing/shielded-aether-thief-klr) `{1}{U}` — *Creature — Vedalken Rogue*
13. [**Merfolk Trickster**](https://avascry.com/printing/merfolk-trickster-plst) `{U}{U}` — *Creature — Merfolk Wizard*
14. [**Frilled Mystic**](https://avascry.com/printing/frilled-mystic-rna) `{G}{G}{U}{U}` — *Creature — Elf Lizard Wizard*
15. [**Merfolk Secretkeeper // Venture Deeper**](https://avascry.com/printing/merfolk-secretkeeper-venture-deeper-eld) `{U} // {U}` — *Creature — Merfolk Wizard // Sorcery — Adventure*
16. [**Cloistered Telepath**](https://avascry.com/printing/cloistered-telepath-trk) `{1}{U}` — *Creature — Talosian Advisor*
17. [**Teferi's Wavecaster**](https://avascry.com/printing/teferis-wavecaster-m21) `{3}{U}{U}` — *Creature — Merfolk Wizard*
18. [**Swift Warden**](https://avascry.com/printing/swift-warden-rix) `{1}{G}{G}` — *Creature — Merfolk Warrior*
19. [**Spectral Sailor**](https://avascry.com/printing/spectral-sailor-fdn) `{U}` — *Creature — Spirit Pirate*
20. [**Bounding Krasis**](https://avascry.com/printing/bounding-krasis-plst) `{1}{G}{U}` — *Creature — Fish Lizard*
21. [**High Fae Trickster**](https://avascry.com/printing/high-fae-trickster-fdn) `{3}{U}` — *Creature — Faerie Wizard*
22. [**Masked Blackguard**](https://avascry.com/printing/masked-blackguard-clu) `{1}{B}` — *Creature — Human Rogue*
23. [**Crashing Tide**](https://avascry.com/printing/crashing-tide-plst) `{2}{U}` — *Sorcery*
24. [**Oura, the Imitator**](https://avascry.com/printing/oura-the-imitator-yecl) `{1}{U}{B}` — *Legendary Creature — Faerie Noble*
25. [**Raff Capashen, Ship's Mage**](https://avascry.com/printing/raff-capashen-ships-mage-dom) `{2}{W}{U}` — *Legendary Creature — Human Wizard*
26. [**Tidal Barracuda**](https://avascry.com/printing/tidal-barracuda-sld) `{3}{U}` — *Creature — Fish*
27. [**Valley Floodcaller**](https://avascry.com/printing/valley-floodcaller-blb) `{2}{U}` — *Creature — Otter Wizard*
28. [**A-Lier, Disciple of the Drowned**](https://avascry.com/printing/a-lier-disciple-of-the-drowned-mid) `{3}{U}{U}` — *Legendary Creature — Human Wizard*
29. [**The Blue Spirit**](https://avascry.com/printing/the-blue-spirit-tle) `{3}{U}` — *Legendary Creature — Human Rogue Ally*
30. [**Elementalist Adept**](https://avascry.com/printing/elementalist-adept-fdn) `{1}{U}` — *Creature — Human Wizard*
31. [**Lier, Disciple of the Drowned**](https://avascry.com/printing/lier-disciple-of-the-drowned-dbl) `{3}{U}{U}` — *Legendary Creature — Human Wizard*