Most played cards in Esper Eldrazi:

2 Decks
Transgress the Mind
8 copies - 4 average
Wasteland Strangler
8 copies - 4 average
Shambling Vent
7 copies - 3.5 average
Prairie Stream
7 copies - 3.5 average
Evolving Wilds
7 copies - 3.5 average
Spell Queller
7 copies - 3.5 average
Spell Shrivel
6 copies - 3 average
Stasis Snare
5 copies - 2.5 average
Negate
5 copies - 2.5 average
Declaration in Stone
5 copies - 2.5 average
Anguished Unmaking
4 copies - 2 average
Sunken Hollow
4 copies - 2 average
Caves of Koilos
4 copies - 2 average
Fathom Feeder
4 copies - 2 average
Corrupted Crossroads
4 copies - 2 average
Sorin, Grim Nemesis
4 copies - 2 average
Eldrazi Displacer
4 copies - 2 average
Blight Herder
3 copies - 1.5 average
Thought-Knot Seer
3 copies - 1.5 average
Ultimate Price
3 copies - 1.5 average