Swarm of Rats 
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 | 0.75 |
| 2 | Rat Colony | 0.41 |
| 3 | Succumb to Temptation | 0.37 |
| 4 | Desert of the Glorified | 0.32 |
| 4 | Crypt Rats | 0.32 |
| 4 | Haunted Fengraf | 0.32 |
| 7 | Dirge of Dread | 0.31 |
| 8 | Mortuary Mire | 0.3 |
| 8 | Sign in Blood | 0.3 |
| 8 | Gravepurge | 0.3 |
| 8 | Path of Ancestry | 0.3 |
| 12 | Terror | 0.29 |
| 13 | Polluted Mire | 0.28 |
| 14 | Pestilence Rats | 0.25 |
| 14 | Hideous Visage | 0.25 |
| 16 | Relic of Progenitus | 0.24 |
| 16 | Syphon Mind | 0.24 |
| 16 | Urborg Uprising | 0.24 |
| 19 | Footbottom Feast | 0.23 |
| 20 | Painful Lesson | 0.22 |
| 20 | Altar's Reap | 0.22 |
| 20 | Dark Dabbling | 0.22 |
| 23 | Bonder's Ornament | 0.21 |
| 24 | Night's Whisper | 0.2 |
| 25 | Cabal Ritual | 0.19 |