Crypt 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 |
|---|---|---|
| 99 | Slagwurm Armor | 0.1 |
| 99 | Relentless Rats | 0.1 |
| 99 | Star Compass | 0.1 |
| 99 | Call to the Netherworld | 0.1 |
| 105 | Burglar Rat | 0.09 |
| 105 | Thrull Retainer | 0.09 |
| 105 | Succumb to Temptation | 0.09 |
| 105 | Spidersilk Net | 0.09 |
| 105 | Disentomb | 0.09 |
| 105 | Coat with Venom | 0.09 |
| 105 | Strands of Undeath | 0.09 |
| 112 | Darksteel Ingot | 0.08 |
| 112 | Crypt Incursion | 0.08 |
| 112 | Distress | 0.08 |
| 112 | Culling the Weak | 0.08 |
| 112 | Peat Bog | 0.08 |
| 112 | Forever Young | 0.08 |
| 112 | Darkness | 0.08 |
| 112 | Professor's Warning | 0.08 |
| 120 | Duress | 0.07 |
| 120 | Drain Life | 0.07 |
| 120 | Nezumi Informant | 0.07 |
| 120 | Sinkhole | 0.07 |
| 120 | Undying Evil | 0.07 |
| 120 | Echoing Return | 0.07 |