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 |
|---|---|---|
| 276 | Abraded Bluffs | 0.07 |
| 276 | Desert of the True | 0.07 |
| 276 | Late to Dinner | 0.07 |
| 276 | Goliath Paladin | 0.07 |
| 276 | Battle Screech | 0.07 |
| 276 | Thriving Bluff | 0.07 |
| 282 | Thraben Charm | 0.06 |
| 282 | Wrenn's Resolve | 0.06 |
| 284 | Reprobation | 0.05 |
| 284 | Dragon Fodder | 0.05 |
| 286 | Palace Sentinels | 0.04 |
| 286 | Experimental Synthesizer | 0.04 |
| 286 | Empty the Warrens | 0.04 |
| 289 | Oliphaunt | 0.03 |
| 289 | Evolving Wilds | 0.03 |
| 291 | Generous Gift | 0.02 |
| 291 | Loran's Escape | 0.02 |
| 291 | Forgotten Cave | 0.02 |
| 294 | Cathar Commando | 0.01 |
| 295 | Heliod's Pilgrim | -0.03 |
| 296 | Impact Tremors | -0.06 |
| 297 | Secluded Steppe | -0.12 |
| 298 | Rustvale Bridge | -0.14 |
| 299 | Terramorphic Expanse | -0.15 |
| 300 | Alpine Meadow | -0.16 |
| 301 | Boros Signet | -0.23 |
| 302 | Lightning Bolt | -0.32 |
| 303 | Arcane Signet | -0.37 |