Most played cards in Bargain:

1 Decks
Opt
4 copies - 4 average
Duress
4 copies - 4 average
Polluted Delta
4 copies - 4 average
Lion's Eye Diamond
4 copies - 4 average
Underground River
4 copies - 4 average
Cabal Ritual
4 copies - 4 average
Lotus Petal
4 copies - 4 average
Dark Ritual
4 copies - 4 average
Yawgmoth's Bargain
4 copies - 4 average
Xantid Swarm
4 copies - 4 average
Sleight of Hand
3 copies - 3 average
Hydroblast
3 copies - 3 average
Ill-Gotten Gains
3 copies - 3 average
Illusions of Grandeur
3 copies - 3 average
Brain Freeze
3 copies - 3 average
Hunting Pack
2 copies - 2 average
Chain of Vapor
2 copies - 2 average
Massacre
2 copies - 2 average
Mox Diamond
2 copies - 2 average
Defense Grid
2 copies - 2 average