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 |
|---|---|---|
| 556 | Deliberate | -0.01 |
| 556 | Curate | -0.01 |
| 556 | Crushing Disappointment | -0.01 |
| 556 | Aetherblade Agent // Gitaxian Mindstinger | -0.01 |
| 556 | Path of Ancestry | -0.01 |
| 556 | Refurbished Familiar | -0.01 |
| 556 | Cauldron Familiar | -0.01 |
| 556 | Goldvein Pick | -0.01 |
| 556 | Professor's Warning | -0.01 |
| 556 | Heap Gate | -0.01 |
| 556 | Howling Golem | -0.01 |
| 556 | Basilisk Gate | -0.01 |
| 556 | Barren Moor | -0.01 |
| 589 | Arms of Hadar | -0.02 |
| 589 | Grasp of Darkness | -0.02 |
| 589 | Eternal Thirst | -0.02 |
| 589 | Abnormal Endurance | -0.02 |
| 589 | Fake Your Own Death | -0.02 |
| 589 | Anticipate | -0.02 |
| 589 | Vampire Spawn | -0.02 |
| 589 | Aarakocra Sneak | -0.02 |
| 589 | Wings of Velis Vel | -0.02 |
| 589 | Mocking Sprite | -0.02 |
| 589 | Diabolic Edict | -0.02 |
| 589 | Dimir Guildmage | -0.02 |