Most played cards in Tron:

1 Decks
 ↓ Urza's Tower
4 copies – 4 avg
↓ Urza's Power Plant
4 copies – 4 avg
↓ Urza's Mine
4 copies – 4 avg
↓ Condescend
4 copies – 4 avg
↓ Expedition Map
4 copies – 4 avg
↓ Remand
4 copies – 4 avg
↓ Thirst for Knowledge
4 copies – 4 avg
↓ Thought-Knot Seer
3 copies – 3 avg
↓ Pithing Needle
3 copies – 3 avg
↓ Relic of Progenitus
3 copies – 3 avg
↓ Dismember
3 copies – 3 avg
↓ Academy Ruins
2 copies – 2 avg
↓ Repeal
2 copies – 2 avg
↓ Talisman of Dominance
2 copies – 2 avg
↓ Spell Snare
2 copies – 2 avg
↓ Negate
2 copies – 2 avg
↓ Mindslaver
2 copies – 2 avg
↓ Wurmcoil Engine
2 copies – 2 avg
↓ Oboro, Palace in the Clouds
1 copies – 1 avg
↓ Crucible of Worlds
1 copies – 1 avg