White Heroic

[Closing Time]

White Heroic 66 cards, 6 sideboard 11 {Plains} 5 {Mountain} 4 {Sacred Foundry} 20 lands 4 {Soldier of the Pantheon} 3 {Nyxborn Rollicker} 3 {Nyxborn Shieldmate} 4 {Precinct Captain} 4 {Hero of Iroas} 4 {Phalanx Leader} 3 {Brimaz, King of Oreskos} 3 {Eidolon of Countless Battles} 28 creatures 2 {Coordinated Assault} 4 {Gods Willing} 4 {Boros Charm} 2 {Spear of Heliod} 12 other spells Sideboard 2 {Coordinated Assault} 4 {Archetype of Courage} 6 sideboard cards

[Closing Time]

Technically it's Boros Heroic, but any suggestions would be helpful. I'm not sure if the mana base is too low and the sideboard is incomplete.