---
target_card: Sphere of Duty
mana_cost: "{3}{W}"
type_line: "Enchantment"
algorithm: "4096-dimensional Qwen 8B Cosine Similarity over 38,000 Oracle embeddings"
canonical_url: https://avascry.com/similar/sphere-of-duty
json_api: https://avascry.com/similar/sphere-of-duty.json
---

# Cards Similar & Synergistic to Sphere of Duty

- **Target Card:** [Sphere of Duty](https://avascry.com/printing/sphere-of-duty-ody) (Enchantment) `{3}{W}`
- **Algorithm:** 4096-dimensional Qwen 8B Cosine Similarity over 38,000 Oracle embeddings
- **JSON API:** https://avascry.com/similar/sphere-of-duty.json

## Top 31 Synergistic Matches

1. [**Circle of Protection: Green**](https://avascry.com/printing/circle-of-protection-green-2ed) `{1}{W}` — *Enchantment*
2. [**Rune of Protection: Green**](https://avascry.com/printing/rune-of-protection-green-usg) `{1}{W}` — *Enchantment*
3. [**Protective Sphere**](https://avascry.com/printing/protective-sphere-inv) `{2}{W}` — *Enchantment*
4. [**Sphere of Reason**](https://avascry.com/printing/sphere-of-reason-ody) `{3}{W}` — *Enchantment*
5. [**Sphere of Truth**](https://avascry.com/printing/sphere-of-truth-ody) `{3}{W}` — *Enchantment*
6. [**Sphere of Grace**](https://avascry.com/printing/sphere-of-grace-ody) `{3}{W}` — *Enchantment*
7. [**Sphere of Law**](https://avascry.com/printing/sphere-of-law-ody) `{3}{W}` — *Enchantment*
8. [**Protection of the Hekma**](https://avascry.com/printing/protection-of-the-hekma-akh) `{4}{W}` — *Enchantment*
9. [**Greater Realm of Preservation**](https://avascry.com/printing/greater-realm-of-preservation-me1) `{1}{W}` — *Enchantment*
10. [**Circle of Protection: White**](https://avascry.com/printing/circle-of-protection-white-8ed) `{1}{W}` — *Enchantment*
11. [**Sphere of Purity**](https://avascry.com/printing/sphere-of-purity-mrd) `{3}{W}` — *Enchantment*
12. [**Circle of Protection: Black**](https://avascry.com/printing/circle-of-protection-black-2ed) `{1}{W}` — *Enchantment*
13. [**Story Circle**](https://avascry.com/printing/story-circle-8ed) `{1}{W}{W}` — *Enchantment*
14. [**Circle of Protection: Red**](https://avascry.com/printing/circle-of-protection-red-30a) `{1}{W}` — *Enchantment*
15. [**Endure**](https://avascry.com/printing/endure-eve) `{3}{W}{W}` — *Instant*
16. [**Circle of Protection: Blue**](https://avascry.com/printing/circle-of-protection-blue-tmp) `{1}{W}` — *Enchantment*
17. [**Righteous Aura**](https://avascry.com/printing/righteous-aura-mmq) `{1}{W}` — *Enchantment*
18. [**Elvish Healer**](https://avascry.com/printing/elvish-healer-ice) `{2}{W}` — *Creature — Elf Cleric*
19. [**Safeguard**](https://avascry.com/printing/safeguard-tmp) `{3}{W}{W}` — *Enchantment*
20. [**Eerie Interference**](https://avascry.com/printing/eerie-interference-woe) `{2}{W}` — *Instant*
21. [**Samite Ministration**](https://avascry.com/printing/samite-ministration-inv) `{1}{W}` — *Instant*
22. [**Hunter's Ambush**](https://avascry.com/printing/hunters-ambush-plst) `{2}{G}` — *Instant*
23. [**Shielded Passage**](https://avascry.com/printing/shielded-passage-gtc) `{W}` — *Instant*
24. [**Shield of Duty and Reason**](https://avascry.com/printing/shield-of-duty-and-reason-apc) `{W}` — *Enchantment — Aura*
25. [**Personal Sanctuary**](https://avascry.com/printing/personal-sanctuary-m12) `{2}{W}` — *Enchantment*
26. [**Samite Sanctuary**](https://avascry.com/printing/samite-sanctuary-pcy) `{2}{W}` — *Enchantment*
27. [**Stonewise Fortifier**](https://avascry.com/printing/stonewise-fortifier-jou) `{1}{W}` — *Creature — Human Wizard*
28. [**Shield of the Ages**](https://avascry.com/printing/shield-of-the-ages-ice) `{2}` — *Artifact*
29. [**Sanctum Custodian**](https://avascry.com/printing/sanctum-custodian-usg) `{2}{W}` — *Creature — Human Cleric*
30. [**Light of Sanction**](https://avascry.com/printing/light-of-sanction-rav) `{1}{W}{W}` — *Enchantment*
31. [**Rhystic Circle**](https://avascry.com/printing/rhystic-circle-pcy) `{2}{W}{W}` — *Enchantment*