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 |
|---|---|---|
| 1 | Akki Ember-Keeper | 0.78 |
| 2 | Sandstone Bridge | 0.76 |
| 3 | Path of Ancestry | 0.72 |
| 4 | Barging Sergeant | 0.6 |
| 5 | Twinscroll Shaman | 0.59 |
| 5 | Blade Instructor | 0.59 |
| 5 | Parhelion Patrol | 0.59 |
| 5 | True-Faith Censer | 0.59 |
| 9 | Hammer Dropper | 0.58 |
| 9 | Parish-Blade Trainee | 0.58 |
| 9 | Volt Charge | 0.58 |
| 12 | Iron Apprentice | 0.57 |
| 12 | Faerie Guidemother // Gift of the Fae | 0.57 |
| 12 | Star Pupil | 0.57 |
| 15 | Sacred Cat | 0.56 |
| 15 | Looming Spires | 0.56 |
| 15 | Cosmotronic Wave | 0.56 |
| 18 | Angelic Intervention | 0.55 |
| 18 | Skyknight Legionnaire | 0.55 |
| 20 | Armory of Iroas | 0.54 |
| 20 | Feat of Resistance | 0.54 |
| 22 | Ainok Bond-Kin | 0.53 |
| 22 | Healer's Hawk | 0.53 |
| 24 | Take Up the Shield | 0.52 |
| 24 | Sacred Peaks | 0.52 |