Passageway Seer 
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 | Underdark Explorer | 0.89 |
| 2 | Vicious Battlerager | 0.75 |
| 3 | Dark Ritual | 0.68 |
| 4 | Victim of Night | 0.66 |
| 5 | Chain Devil | 0.63 |
| 6 | Go for the Throat | 0.62 |
| 7 | Fleshbag Marauder | 0.6 |
| 7 | Defile | 0.6 |
| 9 | Witch's Cottage | 0.59 |
| 9 | Bone Picker | 0.59 |
| 9 | Yuan-Ti Fang-Blade | 0.59 |
| 12 | Gray Merchant of Asphodel | 0.57 |
| 12 | Crypt Rats | 0.57 |
| 12 | Grasp of Darkness | 0.57 |
| 15 | Snuff Out | 0.56 |
| 16 | Thorn of the Black Rose | 0.55 |
| 16 | Zombie Ogre | 0.55 |
| 18 | Pestilence | 0.53 |
| 19 | Staunch Throneguard | 0.52 |
| 20 | Undying Malice | 0.48 |
| 21 | Sign in Blood | 0.47 |
| 21 | Opal Palace | 0.47 |
| 23 | Spinning Darkness | 0.46 |
| 24 | Feign Death | 0.45 |
| 24 | Precipitous Drop | 0.45 |