Most played cards in Boros Deck Wins:

1 Decks
Plated Geopede
4 copies - 4 average
Ranger of Eos
4 copies - 4 average
Scalding Tarn
4 copies - 4 average
Kor Firewalker
4 copies - 4 average
Steppe Lynx
4 copies - 4 average
Marsh Flats
4 copies - 4 average
Oblivion Ring
4 copies - 4 average
Earthquake
4 copies - 4 average
Lightning Bolt
4 copies - 4 average
Goblin Guide
4 copies - 4 average
Hell's Thunder
4 copies - 4 average
Arid Mesa
4 copies - 4 average
Staggershock
3 copies - 3 average
Linvala, Keeper of Silence
3 copies - 3 average
Manabarbs
3 copies - 3 average
Leyline of Punishment
3 copies - 3 average
Elspeth, Knight-Errant
2 copies - 2 average
Goblin Bushwhacker
1 copies - 1 average
copies - 0 average