Havoc Demon 
Synergy is a rough depiction of how well and uniquely a card pairs with a commander. Read more on the About page.
| # | Card | Synergy |
|---|---|---|
| 199 | Defile | 0.12 |
| 199 | Not Dead After All | 0.12 |
| 199 | Shambling Ghast | 0.12 |
| 204 | Dread Return | 0.11 |
| 204 | Dimir House Guard | 0.11 |
| 204 | Tortured Existence | 0.11 |
| 204 | Snow-Covered Swamp | 0.11 |
| 208 | Kaya's Ghostform | 0.1 |
| 209 | Feed the Swarm | 0.09 |
| 209 | Supernatural Stamina | 0.09 |
| 209 | Undying Malice | 0.09 |
| 212 | Fellwar Stone | 0.08 |
| 212 | Troll of Khazad-dûm | 0.08 |
| 214 | Costly Plunder | 0.07 |
| 214 | Tragic Slip | 0.07 |
| 214 | Deadly Dispute | 0.07 |
| 217 | Wayfarer's Bauble | 0.06 |
| 217 | Bonder's Ornament | 0.06 |
| 219 | Corrupted Conviction | 0.04 |
| 220 | Charcoal Diamond | 0.03 |
| 220 | Fleshbag Marauder | 0.03 |
| 220 | Reckoner's Bargain | 0.03 |
| 223 | Dark Ritual | 0.02 |
| 224 | Unearth | -0.05 |
| 225 | Swamp | -0.12 |