Sentry of the Underworld 
Synergy is a rough depiction of how well and uniquely a card pairs with a commander. Read more on the About page.
| # | Card | Synergy |
|---|---|---|
| 14 | Shackles | 0.99 |
| 14 | Gruesome Deformity | 0.99 |
| 14 | Yoke of the Damned | 0.99 |
| 29 | Banehound | 0.98 |
| 29 | Twisted Embrace | 0.98 |
| 29 | Prison Sentence | 0.98 |
| 29 | Mask of Law and Grace | 0.98 |
| 33 | Gibbering Barricade | 0.97 |
| 33 | Soul Link | 0.97 |
| 33 | Captivating Cave | 0.97 |
| 33 | Retrofitted Transmogrant | 0.97 |
| 33 | Clay Revenant | 0.97 |
| 33 | Navigation Orb | 0.97 |
| 39 | Martial Impetus | 0.96 |
| 39 | Pillory of the Sleepless | 0.96 |
| 39 | Infernal Idol | 0.96 |
| 39 | Hedgewitch's Mask | 0.96 |
| 43 | Cave of Temptation | 0.95 |
| 43 | Neglected Manor | 0.95 |
| 45 | Sanitarium Skeleton | 0.94 |
| 46 | Bone Splinters | 0.93 |
| 47 | Eternal Thirst | 0.92 |
| 47 | Eaten Alive | 0.92 |
| 49 | Forge of Heroes | 0.91 |
| 50 | Persistent Specimen | 0.9 |