---
target_card: Eater of Days
mana_cost: "{4}"
type_line: "Artifact Creature — Leviathan"
algorithm: "4096-dimensional Qwen 8B Cosine Similarity over 38,000 Oracle embeddings"
canonical_url: https://avascry.com/similar/eater-of-days
json_api: https://avascry.com/similar/eater-of-days.json
---

# Cards Similar & Synergistic to Eater of Days

- **Target Card:** [Eater of Days](https://avascry.com/printing/eater-of-days-dst) (Artifact Creature — Leviathan) `{4}`
- **Algorithm:** 4096-dimensional Qwen 8B Cosine Similarity over 38,000 Oracle embeddings
- **JSON API:** https://avascry.com/similar/eater-of-days.json

## Top 31 Synergistic Matches

1. [**Wormfang Manta**](https://avascry.com/printing/wormfang-manta-jud) `{5}{U}{U}` — *Creature — Nightmare Fish Beast*
2. [**Leviathan**](https://avascry.com/printing/leviathan-btd) `{5}{U}{U}{U}{U}` — *Creature — Leviathan*
3. [**Sky Swallower**](https://avascry.com/printing/sky-swallower-gpt) `{3}{U}{U}` — *Creature — Leviathan*
4. [**Simic Sky Swallower**](https://avascry.com/printing/simic-sky-swallower-cmd) `{5}{G}{U}` — *Creature — Leviathan*
5. [**Famished Worldsire**](https://avascry.com/printing/famished-worldsire-eoe) `{5}{G}{G}{G}` — *Creature — Leviathan*
6. [**Infernal Sovereign**](https://avascry.com/printing/infernal-sovereign-moc) `{4}{B}{B}` — *Creature — Demon*
7. [**Mana Skimmer**](https://avascry.com/printing/mana-skimmer-tsp) `{3}{B}` — *Creature — Leech*
8. [**Chronatog**](https://avascry.com/printing/chronatog-vis) `{1}{U}` — *Creature — Atog*
9. [**Devouring Strossus**](https://avascry.com/printing/devouring-strossus-inv) `{5}{B}{B}{B}` — *Creature — Phyrexian Horror*
10. [**Insatiable Souleater**](https://avascry.com/printing/insatiable-souleater-nph) `{4}` — *Artifact Creature — Phyrexian Beast*
11. [**Breaching Leviathan**](https://avascry.com/printing/breaching-leviathan-c14) `{7}{U}{U}` — *Creature — Leviathan*
12. [**Palladia-Mors**](https://avascry.com/printing/palladia-mors-chr) `{2}{R}{R}{G}{G}{W}{W}` — *Legendary Creature — Elder Dragon*
13. [**Predator Dragon**](https://avascry.com/printing/predator-dragon-ala) `{3}{R}{R}{R}` — *Creature — Dragon*
14. [**Skyscythe Engulfer**](https://avascry.com/printing/skyscythe-engulfer-one) `{5}{G}` — *Creature — Phyrexian Beast*
15. [**Time Reaper**](https://avascry.com/printing/time-reaper-who) `{3}{B}{B}` — *Creature — Alien Horror*
16. [**Avizoa**](https://avascry.com/printing/avizoa-wth) `{3}{U}` — *Creature — Jellyfish*
17. [**Taniwha**](https://avascry.com/printing/taniwha-mir) `{3}{U}{U}` — *Legendary Creature — Serpent*
18. [**Worldgorger Dragon**](https://avascry.com/printing/worldgorger-dragon-dmr) `{3}{R}{R}{R}` — *Creature — Nightmare Dragon*
19. [**Yosei, the Morning Star**](https://avascry.com/printing/yosei-the-morning-star-plst) `{4}{W}{W}` — *Legendary Creature — Dragon Spirit*
20. [**Voracious Fell Beast**](https://avascry.com/printing/voracious-fell-beast-ltr) `{4}{B}{B}` — *Creature — Drake Beast*
21. [**Mist Intruder**](https://avascry.com/printing/mist-intruder-bfz) `{1}{U}` — *Creature — Eldrazi Drone*
22. [**Lord of the Pit**](https://avascry.com/printing/lord-of-the-pit-dvd) `{4}{B}{B}{B}` — *Creature — Demon*
23. [**Jokulmorder**](https://avascry.com/printing/jokulmorder-csp) `{4}{U}{U}{U}` — *Creature — Leviathan*
24. [**Nimbus Swimmer**](https://avascry.com/printing/nimbus-swimmer-ddo) `{X}{G}{U}` — *Creature — Leviathan*
25. [**Bloodthirster**](https://avascry.com/printing/bloodthirster-40k) `{5}{R}` — *Creature — Demon*
26. [**Flayer of Loyalties**](https://avascry.com/printing/flayer-of-loyalties-cmm) `{8}{C}{C}` — *Creature — Eldrazi*
27. [**Voracious Dragon**](https://avascry.com/printing/voracious-dragon-con) `{3}{R}{R}` — *Creature — Dragon*
28. [**Trygon Predator**](https://avascry.com/printing/trygon-predator-c20) `{1}{G}{U}` — *Creature — Beast*
29. [**Angel of Eternal Dawn**](https://avascry.com/printing/angel-of-eternal-dawn-ymid) `{2}{W}` — *Creature — Angel*
30. [**Sin, Unending Cataclysm**](https://avascry.com/printing/sin-unending-cataclysm-fic) `{5}{G}{U}` — *Legendary Creature — Leviathan Avatar*
31. [**Crystalline Entity**](https://avascry.com/printing/crystalline-entity-trk) `{8}` — *Artifact Creature — Elemental*