Most played cards in Dredge:

1 Decks
Scrapheap Scrounger
4 copies - 4 average
Jace, Vryn's Prodigy
4 copies - 4 average
Prized Amalgam
4 copies - 4 average
Haunted Dead
4 copies - 4 average
Cathartic Reunion
4 copies - 4 average
Bloodstained Mire
4 copies - 4 average
Elder Deep-Fiend
4 copies - 4 average
Polluted Delta
4 copies - 4 average
Treasure Cruise
3 copies - 3 average
Kozilek's Return
3 copies - 3 average
Lightning Axe
3 copies - 3 average
Murderous Cut
3 copies - 3 average
Tormenting Voice
3 copies - 3 average
Fiery Temper
3 copies - 3 average
Spirebluff Canal
3 copies - 3 average
Wooded Foothills
2 copies - 2 average
Distended Mindbender
2 copies - 2 average
Disdainful Stroke
2 copies - 2 average
Kolaghan's Command
2 copies - 2 average
Sunken Hollow
2 copies - 2 average