---
target_card: Five Hundred Year Diary
mana_cost: "{3}{U}"
type_line: "Legendary Artifact — Book Clue"
algorithm: "4096-dimensional Qwen 8B Cosine Similarity over 38,000 Oracle embeddings"
canonical_url: https://avascry.com/similar/five-hundred-year-diary
json_api: https://avascry.com/similar/five-hundred-year-diary.json
---

# Cards Similar & Synergistic to Five Hundred Year Diary

- **Target Card:** [Five Hundred Year Diary](https://avascry.com/printing/five-hundred-year-diary-who) (Legendary Artifact — Book Clue) `{3}{U}`
- **Algorithm:** 4096-dimensional Qwen 8B Cosine Similarity over 38,000 Oracle embeddings
- **JSON API:** https://avascry.com/similar/five-hundred-year-diary.json

## Top 31 Synergistic Matches

1. [**Tamiyo's Logbook**](https://avascry.com/printing/tamiyos-logbook-one) `{2}{U}` — *Artifact — Book*
2. [**Tamiyo's Journal**](https://avascry.com/printing/tamiyos-journal-psoi) `{5}` — *Legendary Artifact — Book*
3. [**Azorius Cluestone**](https://avascry.com/printing/azorius-cluestone-dgm) `{3}` — *Artifact*
4. [**Izzet Cluestone**](https://avascry.com/printing/izzet-cluestone-dgm) `{3}` — *Artifact*
5. [**Dimir Cluestone**](https://avascry.com/printing/dimir-cluestone-dgm) `{3}` — *Artifact*
6. [**Investigator's Journal**](https://avascry.com/printing/investigators-journal-vow) `{2}` — *Artifact — Book Clue*
7. [**Scepter of Insight**](https://avascry.com/printing/scepter-of-insight-con) `{1}{U}{U}` — *Artifact*
8. [**Diary of Dreams**](https://avascry.com/printing/diary-of-dreams-sos) `{2}` — *Artifact — Book*
9. [**Simic Cluestone**](https://avascry.com/printing/simic-cluestone-dgm) `{3}` — *Artifact*
10. [**Agent's Toolkit**](https://avascry.com/printing/agents-toolkit-ncc) `{1}{G}{U}` — *Artifact — Clue*
11. [**Senator Peacock**](https://avascry.com/printing/senator-peacock-clu) `{3}{U}{U}` — *Legendary Creature — Human Advisor*
12. [**Sage of Lat-Nam**](https://avascry.com/printing/sage-of-lat-nam-8ed) `{1}{U}` — *Creature — Human Artificer*
13. [**Parcel Myr**](https://avascry.com/printing/parcel-myr-mh2) `{1}{U}` — *Artifact Creature — Clue Myr*
14. [**Implement of Examination**](https://avascry.com/printing/implement-of-examination-klr) `{3}` — *Artifact*
15. [**Azorius Locket**](https://avascry.com/printing/azorius-locket-rna) `{3}` — *Artifact*
16. [**Forecasting Fortune Teller**](https://avascry.com/printing/forecasting-fortune-teller-tla) `{1}{U}` — *Creature — Human Advisor Ally*
17. [**Lost Days**](https://avascry.com/printing/lost-days-tla) `{4}{U}` — *Instant — Lesson*
18. [**Slayer's Bounty**](https://avascry.com/printing/slayers-bounty-ymid) `{W}` — *Legendary Artifact — Clue*
19. [**Deduce**](https://avascry.com/printing/deduce-mkm) `{1}{U}` — *Instant*
20. [**Fleeting Memories**](https://avascry.com/printing/fleeting-memories-sir) `{2}{U}` — *Enchantment*
21. [**Drownyard Explorers**](https://avascry.com/printing/drownyard-explorers-soi) `{3}{U}` — *Creature — Human Wizard*
22. [**Skycloud Egg**](https://avascry.com/printing/skycloud-egg-ody) `{1}` — *Artifact*
23. [**Heirloom Epic**](https://avascry.com/printing/heirloom-epic-blb) `{1}` — *Artifact — Book*
24. [**Selesnya Cluestone**](https://avascry.com/printing/selesnya-cluestone-dgm) `{3}` — *Artifact*
25. [**Fateful Discovery**](https://avascry.com/printing/fateful-discovery-hob) `{3}{U}{U}` — *Enchantment*
26. [**Futurist Forge**](https://avascry.com/printing/futurist-forge-msh) `{1}{U}` — *Artifact*
27. [**Urza's Tome**](https://avascry.com/printing/urzas-tome-dom) `{2}` — *Artifact — Book*
28. [**Archivist**](https://avascry.com/printing/archivist-8ed) `{2}{U}{U}` — *Creature — Human Wizard*
29. [**Golgari Cluestone**](https://avascry.com/printing/golgari-cluestone-dgm) `{3}` — *Artifact*
30. [**Kaleidostone**](https://avascry.com/printing/kaleidostone-con) `{2}` — *Artifact*
31. [**Courier's Capsule**](https://avascry.com/printing/couriers-capsule-ala) `{1}{U}` — *Artifact*