Most played cards in Inititative:

1 Decks
Touch the Spirit Realm
4 copies - 4 average
Lotus Petal
4 copies - 4 average
White Plume Adventurer
4 copies - 4 average
Seasoned Dungeoneer
4 copies - 4 average
Elite Spellbinder
4 copies - 4 average
Swords to Plowshares
4 copies - 4 average
Emeria's Call
4 copies - 4 average
Solitude
4 copies - 4 average
Chalice of the Void
4 copies - 4 average
Cavern of Souls
4 copies - 4 average
Chrome Mox
4 copies - 4 average
City of Traitors
4 copies - 4 average
Ancient Tomb
4 copies - 4 average
Faerie Macabre
3 copies - 3 average
Empty-Shrine Kannushi
3 copies - 3 average
Loran of the Third Path
2 copies - 2 average
Archon of Absolution
2 copies - 2 average
Eiganjo, Seat of the Empire
2 copies - 2 average
Walking Ballista
2 copies - 2 average
Palace Jailer
2 copies - 2 average