Most played cards in Helm Combo:

2 Decks
 ↓ Ancient Tomb
8 copies – 4 avg
↓ Dauthi Voidwalker
8 copies – 4 avg
↓ Dark Ritual
8 copies – 4 avg
↓ Leyline of the Void
8 copies – 4 avg
↓ Helm of Obedience
8 copies – 4 avg
↓ City of Traitors
7 copies – 3.5 avg
↓ Thoughtseize
7 copies – 3.5 avg
↓ Chrome Mox
7 copies – 3.5 avg
↓ The One Ring
7 copies – 3.5 avg
↓ Karn, the Great Creator
7 copies – 3.5 avg
↓ Orcish Bowmasters
6 copies – 3 avg
↓ Opposition Agent
4 copies – 2 avg
↓ Agadeem's Awakening
4 copies – 2 avg
↓ Barrowgoyf
4 copies – 2 avg
↓ Urborg, Tomb of Yawgmoth
3 copies – 1.5 avg
↓ Grief
3 copies – 1.5 avg
↓ Fell the Profane
3 copies – 1.5 avg
↓ Wasteland
3 copies – 1.5 avg
↓ Disruptor Flute
3 copies – 1.5 avg
↓ Sheoldred, the Apocalypse
2 copies – 1 avg