Most played cards in Boros:

1 Decks
Swords to Plowshares
4 copies - 4 average
Chain Lightning
4 copies - 4 average
White Knight
4 copies - 4 average
City of Brass
4 copies - 4 average
Savannah Lions
4 copies - 4 average
Lightning Bolt
4 copies - 4 average
Order of Leitbur
4 copies - 4 average
Plateau
4 copies - 4 average
Thunder Spirit
4 copies - 4 average
Armageddon
3 copies - 3 average
Land Tax
3 copies - 3 average
Icatian Javelineers
3 copies - 3 average
Mishra's Factory
2 copies - 2 average
Mox Ruby
1 copies - 1 average
Mox Pearl
1 copies - 1 average
Wheel of Fortune
1 copies - 1 average
Strip Mine
1 copies - 1 average