Most played cards in WR Midrange:

1 Decks
Mishra's Factory
4 copies - 4 average
Swords to Plowshares
4 copies - 4 average
Plateau
4 copies - 4 average
Fellwar Stone
4 copies - 4 average
Lightning Bolt
4 copies - 4 average
Rukh Egg
4 copies - 4 average
Serra Angel
4 copies - 4 average
Disenchant
4 copies - 4 average
Preacher
3 copies - 3 average
Red Elemental Blast
3 copies - 3 average
Spirit Link
2 copies - 2 average
Jayemdae Tome
2 copies - 2 average
Blood Moon
2 copies - 2 average
Mana Vault
2 copies - 2 average
Dragon Whelp
2 copies - 2 average
Wrath of God
2 copies - 2 average
City in a Bottle
2 copies - 2 average
City of Brass
2 copies - 2 average
Diamond Valley
2 copies - 2 average
Divine Offering
2 copies - 2 average