Swarm Guildmage 
Synergy is a rough depiction of how well and uniquely a card pairs with a commander. Read more on the About page.
| # | Card | Synergy |
|---|---|---|
| 1 | Relentless Rats | 1.0 |
| 2 | Echoing Return | 0.98 |
| 3 | Diresight | 0.96 |
| 3 | Unseal the Necropolis | 0.96 |
| 5 | Escape Tunnel | 0.93 |
| 6 | Three Visits | 0.85 |
| 7 | Harrow | 0.84 |
| 7 | Murder | 0.84 |
| 9 | Fellwar Stone | 0.83 |
| 9 | Blood Fountain | 0.83 |
| 9 | Doom Blade | 0.83 |
| 9 | Troll of Khazad-dûm | 0.83 |
| 13 | Urborg Repossession | 0.82 |
| 14 | Utopia Sprawl | 0.81 |
| 14 | Bonder's Ornament | 0.81 |
| 14 | Wayfarer's Bauble | 0.81 |
| 17 | Arbor Elf | 0.8 |
| 18 | Farseek | 0.79 |
| 19 | Elves of Deep Shadow | 0.76 |
| 20 | Syphon Mind | 0.75 |
| 20 | Golgari Signet | 0.75 |
| 20 | Crypt Rats | 0.75 |
| 20 | Ash Barrens | 0.75 |
| 20 | Go for the Throat | 0.75 |
| 25 | Gray Merchant of Asphodel | 0.74 |