Sivriss, Nightmare Speaker + Criminal Past 
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 | Eerie Soultender | 0.97 |
| 1 | Unseal the Necropolis | 0.97 |
| 3 | Summon Undead | 0.96 |
| 3 | Gixian Infiltrator | 0.96 |
| 5 | Funeral Rites | 0.95 |
| 6 | Corpse Churn | 0.94 |
| 7 | Dread Return | 0.9 |
| 8 | Blood Celebrant | 0.5 |
| 8 | Mindstab Thrull | 0.5 |
| 8 | Dutiful Replicator | 0.5 |
| 8 | Etched Host Doombringer | 0.5 |
| 8 | Bleak Coven Vampires | 0.5 |
| 8 | Alley Grifters | 0.5 |
| 14 | Injector Crocodile | 0.49 |
| 14 | Rampaging Spiketail | 0.49 |
| 14 | Conceited Witch // Price of Beauty | 0.49 |
| 14 | Buried Treasure | 0.49 |
| 14 | Great Hall of the Citadel | 0.49 |
| 14 | Sweettooth Witch | 0.49 |
| 14 | Augur of Skulls | 0.49 |
| 14 | Chainflail Centipede | 0.49 |
| 14 | Stingblade Assassin | 0.49 |
| 14 | Scream Puff | 0.49 |
| 14 | Novice Dissector | 0.49 |
| 14 | Shard of Broken Glass | 0.49 |