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 | 0.9 |
| 2 | Dark Ritual | 0.7 |
| 2 | Vicious Battlerager | 0.7 |
| 4 | Defile | 0.66 |
| 5 | Bone Picker | 0.64 |
| 6 | Thorn of the Black Rose | 0.62 |
| 6 | Witch's Cottage | 0.62 |
| 8 | Snuff Out | 0.61 |
| 8 | Fleshbag Marauder | 0.61 |
| 10 | Victim of Night | 0.6 |
| 11 | Crypt Rats | 0.58 |
| 12 | Gray Merchant of Asphodel | 0.57 |
| 13 | Chain Devil | 0.54 |
| 14 | Yuan-Ti Fang-Blade | 0.52 |
| 14 | Go for the Throat | 0.52 |
| 16 | Zombie Ogre | 0.5 |
| 17 | Mortuary Mire | 0.48 |
| 18 | Spinning Darkness | 0.46 |
| 18 | Grasp of Darkness | 0.46 |
| 20 | Feign Death | 0.45 |
| 21 | Pestilence | 0.44 |
| 21 | Changeling Outcast | 0.44 |
| 21 | Undying Malice | 0.44 |
| 21 | Vault of Whispers | 0.44 |
| 25 | Sign in Blood | 0.43 |