Most played cards in Rakdos Midrange:

1 Decks
Dauthi Voidwalker
4 copies - 4 average
Blackcleave Cliffs
4 copies - 4 average
Bloodstained Mire
4 copies - 4 average
Verdant Catacombs
4 copies - 4 average
Thoughtseize
4 copies - 4 average
Undying Malice
4 copies - 4 average
Ragavan, Nimble Pilferer
4 copies - 4 average
Grief
4 copies - 4 average
Fury
4 copies - 4 average
Blood Moon
3 copies - 3 average
Terminate
3 copies - 3 average
Engineered Explosives
3 copies - 3 average
Fatal Push
3 copies - 3 average
Feign Death
3 copies - 3 average
Tourach, Dread Cantor
2 copies - 2 average
Ingot Chewer
2 copies - 2 average
Chalice of the Void
2 copies - 2 average
Kroxa, Titan of Death's Hunger
2 copies - 2 average
Blood Crypt
2 copies - 2 average
Lightning Bolt
2 copies - 2 average