---
target_card: River Song
mana_cost: "{1}{U}{R}"
type_line: "Legendary Creature — Human Time Lord Rogue"
algorithm: "4096-dimensional Qwen 8B Cosine Similarity over 38,000 Oracle embeddings"
canonical_url: https://avascry.com/similar/river-song
json_api: https://avascry.com/similar/river-song.json
---

# Cards Similar & Synergistic to River Song

- **Target Card:** [River Song](https://avascry.com/printing/river-song-who) (Legendary Creature — Human Time Lord Rogue) `{1}{U}{R}`
- **Algorithm:** 4096-dimensional Qwen 8B Cosine Similarity over 38,000 Oracle embeddings
- **JSON API:** https://avascry.com/similar/river-song.json

## Top 31 Synergistic Matches

1. [**The River Warlock**](https://avascry.com/printing/the-river-warlock-unk) `{1}{B}{R}{G}` — *Legendary Creature — Human Warlock*
2. [**Opposition Agent**](https://avascry.com/printing/opposition-agent-cmr) `{2}{B}` — *Creature — Human Rogue*
3. [**A-You Come to a River**](https://avascry.com/printing/a-you-come-to-a-river-hbg) `{2}{U}` — *Sorcery*
4. [**Wu Spy**](https://avascry.com/printing/wu-spy-ptk) `{1}{U}` — *Creature — Human Soldier Rogue*
5. [**The Seventh Doctor**](https://avascry.com/printing/the-seventh-doctor-who) `{3}{W}{U}` — *Legendary Creature — Time Lord Doctor*
6. [**Johann, Apprentice Sorcerer**](https://avascry.com/printing/johann-apprentice-sorcerer-woe) `{2}{U}{R}` — *Legendary Creature — Human Wizard Sorcerer*
7. [**River Herald Scout**](https://avascry.com/printing/river-herald-scout-lci) `{1}{U}` — *Creature — Merfolk Scout*
8. [**Lore Broker**](https://avascry.com/printing/lore-broker-rav) `{1}{U}` — *Creature — Human Rogue*
9. [**Yasmin Khan**](https://avascry.com/printing/yasmin-khan-who) `{3}{R}` — *Legendary Creature — Human Detective*
10. [**Undercity Informer**](https://avascry.com/printing/undercity-informer-plst) `{2}{B}` — *Creature — Human Rogue*
11. [**Matoya, Archon Elder**](https://avascry.com/printing/matoya-archon-elder-fin) `{2}{U}` — *Legendary Creature — Human Warlock*
12. [**Balshan Beguiler**](https://avascry.com/printing/balshan-beguiler-ody) `{2}{U}` — *Creature — Human Wizard*
13. [**Nalia de'Arnise**](https://avascry.com/printing/nalia-dearnise-hbg) `{1}{W}{B}` — *Legendary Creature — Human Rogue*
14. [**Grimoire Thief**](https://avascry.com/printing/grimoire-thief-mor) `{U}{U}` — *Creature — Merfolk Rogue*
15. [**Agent of Raffine**](https://avascry.com/printing/agent-of-raffine-ysnc) `{U}` — *Creature — Human Rogue*
16. [**Heart of a Duelist**](https://avascry.com/printing/heart-of-a-duelist-mb2) `{1}{U}` — *Enchantment*
17. [**Oriq Loremage**](https://avascry.com/printing/oriq-loremage-stx) `{2}{B}{B}` — *Creature — Human Warlock*
18. [**Cephalid Looter**](https://avascry.com/printing/cephalid-looter-ody) `{2}{U}` — *Creature — Octopus Rogue*
19. [**Riverwise Augur**](https://avascry.com/printing/riverwise-augur-rix) `{3}{U}` — *Creature — Merfolk Wizard*
20. [**Sindbad**](https://avascry.com/printing/sindbad-tsb) `{1}{U}` — *Creature — Human*
21. [**The Fourth Doctor**](https://avascry.com/printing/the-fourth-doctor-who) `{2}{G}{U}` — *Legendary Creature — Time Lord Doctor*
22. [**Goblin Spy**](https://avascry.com/printing/goblin-spy-inv) `{R}` — *Creature — Goblin Rogue*
23. [**Sly Spy**](https://avascry.com/printing/sly-spy-ust) `{2}{B}` — *Creature — Human Spy*
24. [**A-Psionic Snoop**](https://avascry.com/printing/a-psionic-snoop-snc) `{2}{U}` — *Creature — Human Rogue*
25. [**Benjamin Sisko, Besieged**](https://avascry.com/printing/benjamin-sisko-besieged-trc) `{4}{G}{G}` — *Legendary Creature — Human Officer*
26. [**Sage of Days**](https://avascry.com/printing/sage-of-days-lci) `{2}{U}` — *Creature — Human Wizard*
27. [**Dakra Mystic**](https://avascry.com/printing/dakra-mystic-plst) `{U}` — *Creature — Merfolk Wizard*
28. [**Strago and Relm**](https://avascry.com/printing/strago-and-relm-fic) `{2}{R}` — *Legendary Creature — Human Wizard*
29. [**Eruth, Tormented Prophet**](https://avascry.com/printing/eruth-tormented-prophet-vow) `{1}{U}{R}` — *Legendary Creature — Human Wizard*
30. [**Stealer of Secrets**](https://avascry.com/printing/stealer-of-secrets-w17) `{2}{U}` — *Creature — Human Rogue*
31. [**Syr Carah, the Bold**](https://avascry.com/printing/syr-carah-the-bold-eld) `{3}{R}{R}` — *Legendary Creature — Human Knight*