Most played cards in Green Tron:

3 Decks
 ↓ Wurmcoil Engine
12 copies – 4 avg
↓ Karn Liberated
12 copies – 4 avg
↓ Urza's Tower
12 copies – 4 avg
↓ Urza's Mine
12 copies – 4 avg
↓ Sylvan Scrying
12 copies – 4 avg
↓ Urza's Power Plant
12 copies – 4 avg
↓ Expedition Map
12 copies – 4 avg
↓ Chromatic Sphere
12 copies – 4 avg
↓ Chromatic Star
12 copies – 4 avg
↓ Ancient Stirrings
12 copies – 4 avg
↓ Thought-Knot Seer
10 copies – 3.33 avg
↓ Nature's Claim
10 copies – 3.33 avg
↓ Relic of Progenitus
10 copies – 3.33 avg
↓ Oblivion Stone
9 copies – 3 avg
↓ Ulamog, the Ceaseless Hunger
7 copies – 2.33 avg
↓ Dismember
7 copies – 2.33 avg
↓ Thragtusk
6 copies – 2 avg
↓ Ugin, the Spirit Dragon
6 copies – 2 avg
↓ Grove of the Burnwillows
4 copies – 1.33 avg
↓ Punishing Fire
4 copies – 1.33 avg