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 | Path of Ancestry | 0.73 |
| 2 | Blade Instructor | 0.66 |
| 3 | Hammer Dropper | 0.65 |
| 4 | Akki Ember-Keeper | 0.64 |
| 5 | Cosmotronic Wave | 0.63 |
| 5 | Sandstone Bridge | 0.63 |
| 7 | Skyknight Legionnaire | 0.61 |
| 8 | Barging Sergeant | 0.6 |
| 9 | Twinscroll Shaman | 0.59 |
| 9 | Parhelion Patrol | 0.59 |
| 9 | Healer's Hawk | 0.59 |
| 12 | Volt Charge | 0.58 |
| 12 | Parish-Blade Trainee | 0.58 |
| 14 | Iron Apprentice | 0.57 |
| 15 | Sacred Cat | 0.56 |
| 15 | Boros Guildgate | 0.56 |
| 17 | Take Up the Shield | 0.52 |
| 18 | Wojek Bodyguard | 0.5 |
| 19 | True-Faith Censer | 0.49 |
| 20 | Star Pupil | 0.47 |
| 20 | Faerie Guidemother // Gift of the Fae | 0.47 |
| 22 | Adamant Will | 0.46 |
| 22 | Looming Spires | 0.46 |
| 22 | Boros Locket | 0.46 |
| 25 | Shelter | 0.45 |