Most played cards in Karn:

1 Decks
 ↓ Karn, the Great Creator
4 copies – 4 avg
↓ City of Traitors
4 copies – 4 avg
↓ Leyline of the Void
4 copies – 4 avg
↓ Thought-Knot Seer
4 copies – 4 avg
↓ Walking Ballista
4 copies – 4 avg
↓ Chalice of the Void
4 copies – 4 avg
↓ Lion's Eye Diamond
4 copies – 4 avg
↓ Lotus Petal
4 copies – 4 avg
↓ Urza's Saga
4 copies – 4 avg
↓ Ancient Tomb
4 copies – 4 avg
↓ Auriok Salvagers
4 copies – 4 avg
↓ Cavern of Souls
4 copies – 4 avg
↓ Containment Priest
3 copies – 3 avg
↓ Eldrazi Temple
3 copies – 3 avg
↓ Spatial Contortion
3 copies – 3 avg
↓ Mox Opal
3 copies – 3 avg
↓ Once Upon a Time
3 copies – 3 avg
↓ Ingenious Smith
3 copies – 3 avg
↓ Ancient Den
2 copies – 2 avg
↓ Thornglint Bridge
2 copies – 2 avg