Most played cards in Helm:

1 Decks
Orcish Bowmasters
4 copies - 4 average
Opposition Agent
4 copies - 4 average
Urza's Saga
4 copies - 4 average
Vault of Whispers
4 copies - 4 average
Leyline of the Void
4 copies - 4 average
Thoughtseize
4 copies - 4 average
Dark Ritual
4 copies - 4 average
Beseech the Mirror
4 copies - 4 average
Dauthi Voidwalker
4 copies - 4 average
Chrome Mox
4 copies - 4 average
Fell the Profane
3 copies - 3 average
Ancient Tomb
3 copies - 3 average
Hymn to Tourach
2 copies - 2 average
Urborg, Tomb of Yawgmoth
2 copies - 2 average
Helm of Obedience
2 copies - 2 average
The One Ring
2 copies - 2 average
Mycosynth Lattice
1 copies - 1 average
Liquimetal Coating
1 copies - 1 average
Plague Engineer
1 copies - 1 average
Tithing Blade // Consuming Sepulcher
1 copies - 1 average