Most played cards in Tron:

1 Decks
 ↓ Planar Nexus
4 copies – 4 avg
↓ Urza's Workshop
4 copies – 4 avg
↓ Leyline of the Void
4 copies – 4 avg
↓ Ugin, Eye of the Storms\n2 Cityscape Leveler
4 copies – 4 avg
↓ Karn, the Great Creator
4 copies – 4 avg
↓ The One Ring
4 copies – 4 avg
↓ Trinisphere
4 copies – 4 avg
↓ Grim Monolith
4 copies – 4 avg
↓ Kozilek's Command
4 copies – 4 avg
↓ Urza's Tower
4 copies – 4 avg
↓ Urza's Mine
4 copies – 4 avg
↓ Urza's Power Plant
4 copies – 4 avg
↓ Urza's Saga
3 copies – 3 avg
↓ Disruptor Flute
3 copies – 3 avg
↓ Candelabra of Tawnos
3 copies – 3 avg
↓ Chalice of the Void
3 copies – 3 avg
↓ Ancient Tomb
2 copies – 2 avg
↓ Tezzeret, Cruel Captain
2 copies – 2 avg
↓ Dismember
2 copies – 2 avg
↓ Emrakul, the Aeons Torn
1 copies – 1 avg