Most played cards in Affinity:

1 Decks
Glimmervoid
4 copies - 4 average
Myr Enforcer
4 copies - 4 average
Night's Whisper
4 copies - 4 average
Underground River
4 copies - 4 average
Frogmite
4 copies - 4 average
Ornithopter
4 copies - 4 average
Arcbound Worker
4 copies - 4 average
Cranial Plating
4 copies - 4 average
Welding Jar
3 copies - 3 average
Tooth of Chiss-Goria
3 copies - 3 average
Cruel Edict
3 copies - 3 average
Mana Leak
3 copies - 3 average
Echoing Truth
3 copies - 3 average
Okiba-Gang Shinobi
3 copies - 3 average
Somber Hoverguard
3 copies - 3 average
Ninja of the Deep Hours
3 copies - 3 average
Blinkmoth Nexus
3 copies - 3 average
Scale of Chiss-Goria
3 copies - 3 average
Squelch
3 copies - 3 average
Chrome Mox
2 copies - 2 average