Most played cards in Smog Combo:

2 Decks
 ↓ Chain of Smog
8 copies – 4 avg
↓ Brainstorm
8 copies – 4 avg
↓ Ponder
8 copies – 4 avg
↓ Misty Rainforest
7 copies – 3.5 avg
↓ Thoughtseize
7 copies – 3.5 avg
↓ Polluted Delta
6 copies – 3 avg
↓ Underground Sea
5 copies – 2.5 avg
↓ Abrupt Decay
5 copies – 2.5 avg
↓ Surgical Extraction
4 copies – 2 avg
↓ Witherbloom Command
4 copies – 2 avg
↓ Summoner's Pact
4 copies – 2 avg
↓ Veil of Summer
4 copies – 2 avg
↓ Flusterstorm
4 copies – 2 avg
↓ Lotus Petal
4 copies – 2 avg
↓ Dark Ritual
4 copies – 2 avg
↓ Tropical Island
4 copies – 2 avg
↓ Preordain
4 copies – 2 avg
↓ Carpet of Flowers
3 copies – 1.5 avg
↓ Bayou
3 copies – 1.5 avg
↓ Sylvan Safekeeper
3 copies – 1.5 avg