Iron Mastiff 
Synergy is a rough depiction of how well and uniquely a card pairs with a commander. Read more on the About page.
| # | Card | Synergy |
|---|---|---|
| 200 | Prismatic Lens | 0.1 |
| 202 | Ichor Wellspring | 0.08 |
| 202 | Honored Heirloom | 0.08 |
| 202 | Relic of Progenitus | 0.08 |
| 205 | Ashnod's Altar | 0.07 |
| 206 | Commander's Sphere | 0.02 |
| 207 | Fellwar Stone | -0.01 |
| 208 | Ash Barrens | -0.09 |
| 209 | Arcane Signet | -0.38 |