---
target_card: Key to the Side-Door
mana_cost: "{1}"
type_line: "Artifact"
algorithm: "4096-dimensional Qwen 8B Cosine Similarity over 38,000 Oracle embeddings"
canonical_url: https://avascry.com/similar/key-to-the-side-door
json_api: https://avascry.com/similar/key-to-the-side-door.json
---

# Cards Similar & Synergistic to Key to the Side-Door

- **Target Card:** [Key to the Side-Door](https://avascry.com/printing/key-to-the-side-door-hob) (Artifact) `{1}`
- **Algorithm:** 4096-dimensional Qwen 8B Cosine Similarity over 38,000 Oracle embeddings
- **JSON API:** https://avascry.com/similar/key-to-the-side-door.json

## Top 31 Synergistic Matches

1. [**Key to the City**](https://avascry.com/printing/key-to-the-city-brr) `{2}` — *Artifact*
2. [**Enter the Enigma**](https://avascry.com/printing/enter-the-enigma-dsk) `{U}` — *Sorcery*
3. [**Manifold Key**](https://avascry.com/printing/manifold-key-clb) `{1}` — *Artifact*
4. [**Tezzeret's Gatebreaker**](https://avascry.com/printing/tezzerets-gatebreaker-m19) `{4}` — *Artifact*
5. [**Renegade Tactics**](https://avascry.com/printing/renegade-tactics-j25) `{R}` — *Sorcery*
6. [**You Cannot Pass!**](https://avascry.com/printing/you-cannot-pass-ltr) `{W}` — *Instant*
7. [**Touch of Invisibility**](https://avascry.com/printing/touch-of-invisibility-ody) `{3}{U}` — *Sorcery*
8. [**Rogue's Passage**](https://avascry.com/printing/rogues-passage-pio) `N/A` — *Land*
9. [**Kozilek's Pathfinder**](https://avascry.com/printing/kozileks-pathfinder-ogw) `{6}` — *Creature — Eldrazi*
10. [**Stun**](https://avascry.com/printing/stun-10e) `{1}{R}` — *Instant*
11. [**Passwall Adept**](https://avascry.com/printing/passwall-adept-clu) `{1}{U}` — *Creature — Human Wizard*
12. [**Phyrexian Revoker**](https://avascry.com/printing/phyrexian-revoker-brr) `{2}` — *Artifact Creature — Phyrexian Horror*
13. [**Doorman**](https://avascry.com/printing/doorman-msc) `{1}{G}` — *Legendary Creature — Mutant Hero*
14. [**Irresistible Prey**](https://avascry.com/printing/irresistible-prey-cn2) `{G}` — *Sorcery*
15. [**Secret Tunnel**](https://avascry.com/printing/secret-tunnel-tla) `N/A` — *Land — Cave*
16. [**Slip Through Space**](https://avascry.com/printing/slip-through-space-plst) `{U}` — *Sorcery*
17. [**Dazzling Beauty**](https://avascry.com/printing/dazzling-beauty-mir) `{2}{W}` — *Instant*
18. [**Panic Spellbomb**](https://avascry.com/printing/panic-spellbomb-cm2) `{1}` — *Artifact*
19. [**Midnight Pathlighter**](https://avascry.com/printing/midnight-pathlighter-afc) `{2}{W}{U}` — *Creature — Human Wizard*
20. [**Keys to the House**](https://avascry.com/printing/keys-to-the-house-dsk) `{1}` — *Artifact*
21. [**The Destined Thief**](https://avascry.com/printing/the-destined-thief-fic) `{2}{U}` — *Legendary Creature — Human Rogue*
22. [**Infiltrate**](https://avascry.com/printing/infiltrate-nem) `{U}` — *Instant*
23. [**Trailblazer**](https://avascry.com/printing/trailblazer-ice) `{2}{G}{G}` — *Instant*
24. [**Shinen of Life's Roar**](https://avascry.com/printing/shinen-of-lifes-roar-plst) `{1}{G}` — *Creature — Spirit*
25. [**Keymaster Rogue**](https://avascry.com/printing/keymaster-rogue-rvr) `{3}{U}` — *Creature — Human Rogue*
26. [**Artful Dodge**](https://avascry.com/printing/artful-dodge-dka) `{U}` — *Sorcery*
27. [**Gateway Sneak**](https://avascry.com/printing/gateway-sneak-fdn) `{2}{U}` — *Creature — Vedalken Rogue*
28. [**Top-Secret Tunnel**](https://avascry.com/printing/top-secret-tunnel-ust) `N/A` — *Artifact — Contraption*
29. [**Open into Wonder**](https://avascry.com/printing/open-into-wonder-akh) `{X}{U}{U}` — *Sorcery*
30. [**The Black Gate**](https://avascry.com/printing/the-black-gate-ltc) `N/A` — *Legendary Land — Gate*
31. [**Grixis Battlemage**](https://avascry.com/printing/grixis-battlemage-ala) `{2}{B}` — *Creature — Human Wizard*