Most played cards in Ad Nauseam Tendrils:

2373 Decks
Dark Ritual
9456 copies – 3.98 avg
Brainstorm
9445 copies – 3.98 avg
Lion's Eye Diamond
9382 copies – 3.95 avg
Infernal Tutor
9252 copies – 3.9 avg
Ponder
9036 copies – 3.81 avg
Cabal Ritual
8991 copies – 3.79 avg
Polluted Delta
8809 copies – 3.71 avg
Lotus Petal
8458 copies – 3.56 avg
Duress
7496 copies – 3.16 avg
Gitaxian Probe
6313 copies – 2.66 avg
Cabal Therapy
5397 copies – 2.27 avg
Preordain
5138 copies – 2.17 avg
Underground Sea
4545 copies – 1.92 avg
Misty Rainforest
4033 copies – 1.7 avg
Chain of Vapor
3125 copies – 1.32 avg
Past in Flames
2903 copies – 1.22 avg
Tendrils of Agony
2742 copies – 1.16 avg
Thoughtseize
2726 copies – 1.15 avg
Abrupt Decay
2573 copies – 1.08 avg
Ad Nauseam
2495 copies – 1.05 avg