Most played cards in Tron:

2 Decks
 ↓ Planar Nexus
8 copies – 4 avg
↓ Grim Monolith
8 copies – 4 avg
↓ Urza's Mine
8 copies – 4 avg
↓ Urza's Power Plant
8 copies – 4 avg
↓ Urza's Tower
8 copies – 4 avg
↓ Ugin, Eye of the Storms
8 copies – 4 avg
↓ Karn, the Great Creator
8 copies – 4 avg
↓ The One Ring
8 copies – 4 avg
↓ Urza's Workshop
8 copies – 4 avg
↓ Trinisphere
8 copies – 4 avg
↓ Leyline of the Void
8 copies – 4 avg
↓ Kozilek's Command
8 copies – 4 avg
↓ Urza's Saga
7 copies – 3.5 avg
↓ Candelabra of Tawnos
7 copies – 3.5 avg
↓ Disruptor Flute
4 copies – 2 avg
↓ Dismember
4 copies – 2 avg
↓ Manifold Key
3 copies – 1.5 avg
↓ Chalice of the Void
3 copies – 1.5 avg
↓ Mindbreak Trap
3 copies – 1.5 avg
↓ Cityscape Leveler
3 copies – 1.5 avg