Most played cards in Tron:

3 Decks
 ↓ Planar Nexus
12 copies – 4 avg
↓ Urza's Workshop
12 copies – 4 avg
↓ Urza's Tower
12 copies – 4 avg
↓ Kozilek's Command
12 copies – 4 avg
↓ Grim Monolith
12 copies – 4 avg
↓ The One Ring
12 copies – 4 avg
↓ Karn, the Great Creator
12 copies – 4 avg
↓ Urza's Saga
11 copies – 3.67 avg
↓ Ugin, Eye of the Storms
9 copies – 3 avg
↓ Urza's Mine
8 copies – 2.67 avg
↓ Urza's Power Plant
8 copies – 2.67 avg
↓ Candelabra of Tawnos
8 copies – 2.67 avg
↓ Trinisphere
8 copies – 2.67 avg
↓ Leyline of the Void
8 copies – 2.67 avg
↓ Manifold Key
7 copies – 2.33 avg
↓ Disruptor Flute
7 copies – 2.33 avg
↓ Ancient Tomb
6 copies – 2 avg
↓ Tezzeret, Cruel Captain
5 copies – 1.67 avg
↓ Dismember
4 copies – 1.33 avg
↓ Lotus Petal
4 copies – 1.33 avg