---
target_card: Harbinger of Night
mana_cost: "{2}{B}{B}"
type_line: "Creature — Spirit"
algorithm: "4096-dimensional Qwen 8B Cosine Similarity over 38,000 Oracle embeddings"
canonical_url: https://avascry.com/similar/harbinger-of-night
json_api: https://avascry.com/similar/harbinger-of-night.json
---

# Cards Similar & Synergistic to Harbinger of Night

- **Target Card:** [Harbinger of Night](https://avascry.com/printing/harbinger-of-night-mir) (Creature — Spirit) `{2}{B}{B}`
- **Algorithm:** 4096-dimensional Qwen 8B Cosine Similarity over 38,000 Oracle embeddings
- **JSON API:** https://avascry.com/similar/harbinger-of-night.json

## Top 31 Synergistic Matches

1. [**Soul Snuffers**](https://avascry.com/printing/soul-snuffers-eve) `{2}{B}{B}` — *Creature — Elemental Shaman*
2. [**Midnight Banshee**](https://avascry.com/printing/midnight-banshee-mm2) `{3}{B}{B}{B}` — *Creature — Spirit*
3. [**Haunter of Nightveil**](https://avascry.com/printing/haunter-of-nightveil-dgm) `{3}{U}{B}` — *Creature — Spirit*
4. [**Darkness Descends**](https://avascry.com/printing/darkness-descends-ecl) `{2}{B}{B}` — *Sorcery*
5. [**Black Sun's Zenith**](https://avascry.com/printing/black-suns-zenith-mbs) `{X}{B}{B}` — *Sorcery*
6. [**Night of Souls' Betrayal**](https://avascry.com/printing/night-of-souls-betrayal-ha6) `{2}{B}{B}` — *Legendary Enchantment*
7. [**Festercreep**](https://avascry.com/printing/festercreep-cm2) `{1}{B}` — *Creature — Elemental*
8. [**Ghosts of the Damned**](https://avascry.com/printing/ghosts-of-the-damned-leg) `{1}{B}{B}` — *Creature — Spirit*
9. [**Fevered Convulsions**](https://avascry.com/printing/fevered-convulsions-tmp) `{B}{B}` — *Enchantment*
10. [**Harvester of Misery**](https://avascry.com/printing/harvester-of-misery-pbig) `{3}{B}{B}` — *Creature — Spirit*
11. [**Kaervek, the Spiteful**](https://avascry.com/printing/kaervek-the-spiteful-prm) `{2}{B}{B}` — *Legendary Creature — Human Warlock*
12. [**Hag of Inner Weakness**](https://avascry.com/printing/hag-of-inner-weakness-hbg) `{2}{B}` — *Creature — Hag Warlock*
13. [**Infest**](https://avascry.com/printing/infest-prm) `{1}{B}{B}` — *Sorcery*
14. [**Hell Swarm**](https://avascry.com/printing/hell-swarm-leg) `{B}` — *Instant*
15. [**Urborg Stalker**](https://avascry.com/printing/urborg-stalker-wth) `{3}{B}` — *Creature — Horror*
16. [**Urborg Shambler**](https://avascry.com/printing/urborg-shambler-inv) `{2}{B}{B}` — *Creature — Horror*
17. [**Shambling Swarm**](https://avascry.com/printing/shambling-swarm-tor) `{1}{B}{B}{B}` — *Creature — Horror*
18. [**Cultbrand Cinder**](https://avascry.com/printing/cultbrand-cinder-shm) `{4}{B/R}` — *Creature — Elemental Shaman*
19. [**Discordant Spirit**](https://avascry.com/printing/discordant-spirit-mir) `{2}{B}{R}` — *Creature — Spirit*
20. [**Shrivel**](https://avascry.com/printing/shrivel-m14) `{1}{B}` — *Sorcery*
21. [**Incremental Blight**](https://avascry.com/printing/incremental-blight-ecc) `{3}{B}{B}` — *Sorcery*
22. [**Soulstinger**](https://avascry.com/printing/soulstinger-akh) `{3}{B}` — *Creature — Scorpion Demon*
23. [**Blight Rot**](https://avascry.com/printing/blight-rot-ecl) `{2}{B}` — *Instant*
24. [**Scar**](https://avascry.com/printing/scar-shm) `{B/R}` — *Instant*
25. [**Breathstealer**](https://avascry.com/printing/breathstealer-mir) `{2}{B}` — *Creature — Nightstalker*
26. [**Plagued Rusalka**](https://avascry.com/printing/plagued-rusalka-cns) `{B}` — *Creature — Spirit*
27. [**Hunted Nightmare**](https://avascry.com/printing/hunted-nightmare-piko) `{1}{B}{B}` — *Creature — Nightmare*
28. [**Fume Spitter**](https://avascry.com/printing/fume-spitter-td2) `{B}` — *Creature — Phyrexian Horror*
29. [**Festering Evil**](https://avascry.com/printing/festering-evil-wth) `{3}{B}{B}` — *Enchantment*
30. [**Tragic Banshee**](https://avascry.com/printing/tragic-banshee-fdn) `{4}{B}` — *Creature — Spirit*
31. [**Make Obsolete**](https://avascry.com/printing/make-obsolete-klr) `{2}{B}` — *Instant*