Boros Challenger 
Synergy is a rough depiction of how well and uniquely a card pairs with a commander. Read more on the About page.
| # | Card | Synergy |
|---|---|---|
| 218 | Prying Blade | 0.13 |
| 218 | Witch's Mark | 0.13 |
| 228 | Raucous Carnival | 0.12 |
| 228 | Ulamog's Crusher | 0.12 |
| 228 | Stone Quarry | 0.12 |
| 228 | Crashing Drawbridge | 0.12 |
| 228 | Spirited Companion | 0.12 |
| 228 | Novice Inspector | 0.12 |
| 234 | Flaming Fist | 0.11 |
| 234 | Plains | 0.11 |
| 236 | Desert of the True | 0.1 |
| 236 | Dawn Charm | 0.1 |
| 236 | Late to Dinner | 0.1 |
| 236 | Goliath Paladin | 0.1 |
| 236 | Thriving Bluff | 0.1 |
| 241 | Thriving Heath | 0.09 |
| 241 | Doomed Traveler | 0.09 |
| 241 | Thraben Charm | 0.09 |
| 241 | Goldvein Pick | 0.09 |
| 241 | Eagles of the North | 0.09 |
| 246 | Empty the Warrens | 0.08 |
| 246 | Reprobation | 0.08 |
| 246 | Forgotten Cave | 0.08 |
| 246 | Hordeling Outburst | 0.08 |
| 250 | Experimental Synthesizer | 0.07 |