Horrid Shadowspinner 
Synergy is a rough depiction of how well and uniquely a card pairs with a commander. Read more on the About page.
| # | Card | Synergy |
|---|---|---|
| 738 | Go for the Throat | -0.07 |
| 752 | Swamp | -0.08 |
| 752 | Gray Merchant of Asphodel | -0.08 |
| 752 | Unwind | -0.08 |
| 752 | Tithing Blade // Consuming Sepulcher | -0.08 |
| 752 | Basilica Screecher | -0.08 |
| 757 | Thoughtcast | -0.09 |
| 757 | Kaya's Ghostform | -0.09 |
| 757 | Tragic Slip | -0.09 |
| 757 | Ravenform | -0.09 |
| 757 | Supernatural Stamina | -0.09 |
| 757 | Blood Fountain | -0.09 |
| 757 | Dimir Locket | -0.09 |
| 757 | Sky Diamond | -0.09 |
| 757 | Trinket Mage | -0.09 |
| 766 | Bone Shards | -0.1 |
| 766 | Run Away Together | -0.1 |
| 766 | Compulsive Research | -0.1 |
| 769 | Dusk Legion Zealot | -0.11 |
| 769 | Charcoal Diamond | -0.11 |
| 769 | Spell Pierce | -0.11 |
| 769 | Undying Malice | -0.11 |
| 769 | Night's Whisper | -0.11 |
| 774 | Marauding Blight-Priest | -0.12 |
| 774 | Doom Blade | -0.12 |