Most played cards in G/B Delirium:

2 Decks
Llanowar Wastes
8 copies - 4 average
Languish
8 copies - 4 average
Hissing Quagmire
7 copies - 3.5 average
Grapple with the Past
7 copies - 3.5 average
Traverse the Ulvenwald
5 copies - 2.5 average
Ruinous Path
5 copies - 2.5 average
Ishkanah, Grafwidow
5 copies - 2.5 average
Liliana, the Last Hope
5 copies - 2.5 average
Grasp of Darkness
4 copies - 2 average
Grim Flayer
4 copies - 2 average
Sylvan Advocate
4 copies - 2 average
Vessel of Nascency
4 copies - 2 average
Jaddi Offshoot
4 copies - 2 average
Evolving Wilds
4 copies - 2 average
Gilt-Leaf Winnower
3 copies - 1.5 average
Nissa, Vastwood Seer
3 copies - 1.5 average
Distended Mindbender
3 copies - 1.5 average
Pilgrim's Eye
3 copies - 1.5 average
Nissa, Voice of Zendikar
3 copies - 1.5 average
Tireless Tracker
3 copies - 1.5 average