Crosis's Attendant 
Synergy is a rough depiction of how well and uniquely a card pairs with a commander. Read more on the About page.
| # | Card | Synergy |
|---|---|---|
| 251 | Island | -0.22 |
| 252 | Mystic Sanctuary | -0.24 |
| 253 | Mountain | -0.25 |
| 254 | Swamp | -0.27 |
| 255 | Negate | -0.28 |
| 255 | Lightning Bolt | -0.28 |
| 257 | Counterspell | -0.43 |