Most played cards in Trading Post:

1 Decks
Thragtusk
4 copies - 4 average
Ichor Wellspring
4 copies - 4 average
Mutilate
4 copies - 4 average
Woodland Cemetery
4 copies - 4 average
Torpor Orb
4 copies - 4 average
Despise
4 copies - 4 average
Mycosynth Wellspring
4 copies - 4 average
Trading Post
4 copies - 4 average
Sphere of the Suns
4 copies - 4 average
Nihil Spellbomb
3 copies - 3 average
Distress
3 copies - 3 average
Black Sun's Zenith
3 copies - 3 average
Pristine Talisman
3 copies - 3 average
Vampire Nighthawk
3 copies - 3 average
Massacre Wurm
2 copies - 2 average
Wurmcoil Engine
2 copies - 2 average
Spine of Ish Sah
1 copies - 1 average