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 | 0.64 |
| 2 | Rat Colony | 0.56 |
| 3 | Crypt Rats | 0.39 |
| 4 | Path of Ancestry | 0.37 |
| 4 | Mortuary Mire | 0.37 |
| 6 | Sign in Blood | 0.36 |
| 7 | Pestilence Rats | 0.35 |
| 8 | Altar's Reap | 0.32 |
| 9 | Succumb to Temptation | 0.31 |
| 10 | Haunted Fengraf | 0.27 |
| 10 | Rancid Rats | 0.27 |
| 10 | Dirge of Dread | 0.27 |
| 13 | Gravepurge | 0.26 |
| 13 | Painful Lesson | 0.26 |
| 13 | Desert of the Glorified | 0.26 |
| 16 | Terror | 0.25 |
| 17 | Bonder's Ornament | 0.23 |
| 17 | Mind Stone | 0.23 |
| 17 | Polluted Mire | 0.23 |
| 20 | Skyshaper | 0.21 |
| 20 | Charcoal Diamond | 0.21 |
| 20 | Gnat Miser | 0.21 |
| 20 | Hideous Visage | 0.21 |
| 24 | Echoing Return | 0.2 |
| 24 | Read the Bones | 0.2 |