Most played cards in Deck Wins:

1 Decks
Searing Blaze
4 copies - 4 average
Lightning Helix
4 copies - 4 average
Eidolon of the Great Revel
4 copies - 4 average
Bloodstained Mire
4 copies - 4 average
Destructive Revelry
4 copies - 4 average
Inspiring Vantage
4 copies - 4 average
Lightning Bolt
4 copies - 4 average
Arid Mesa
4 copies - 4 average
Boros Charm
4 copies - 4 average
Goblin Guide
4 copies - 4 average
Lava Spike
4 copies - 4 average
Monastery Swiftspear
4 copies - 4 average
Rift Bolt
4 copies - 4 average
Manamorphose
3 copies - 3 average
Bedlam Reveler
3 copies - 3 average
Relic of Progenitus
3 copies - 3 average
Path to Exile
2 copies - 2 average
Sacred Foundry
2 copies - 2 average
Grim Lavamancer
2 copies - 2 average
Wooded Foothills
2 copies - 2 average