Most played cards in Affinity :

602 Decks
Mox Opal
12 copies - 0.02 average
Seat of the Synod
12 copies - 0.02 average
Cranial Plating
12 copies - 0.02 average
Ornithopter
11 copies - 0.02 average
Vault of Whispers
10 copies - 0.02 average
Memnite
10 copies - 0.02 average
Springleaf Drum
9 copies - 0.01 average
Etched Champion
9 copies - 0.01 average
Thoughtcast
8 copies - 0.01 average
Ancient Den
8 copies - 0.01 average
Chalice of the Void
8 copies - 0.01 average
Signal Pest
8 copies - 0.01 average
Vault Skirge
8 copies - 0.01 average
Arcbound Ravager
8 copies - 0.01 average
Whipflare
7 copies - 0.01 average
Dispatch
7 copies - 0.01 average
Tezzeret, Agent of Bolas
7 copies - 0.01 average
Ethersworn Canonist
7 copies - 0.01 average
Master of Etherium
5 copies - 0.01 average
Ancient Tomb
4 copies - 0.01 average