Most played cards in Sultai Yorion Ultimatum:

2 Decks
Emergent Ultimatum
8 copies - 4 average
Binding the Old Gods
8 copies - 4 average
Heartless Act
8 copies - 4 average
Cultivate
8 copies - 4 average
Omen of the Sea
8 copies - 4 average
Wolfwillow Haven
8 copies - 4 average
Eliminate
6 copies - 3 average
Shadows' Verdict
6 copies - 3 average
Duress
6 copies - 3 average
Negate
5 copies - 2.5 average
Sea Gate Restoration
5 copies - 2.5 average
Mystical Dispute
5 copies - 2.5 average
Alrund's Epiphany
5 copies - 2.5 average
Mazemind Tome
4 copies - 2 average
Elder Gargaroth
3 copies - 1.5 average
Extinction Event
3 copies - 1.5 average
Valki, God of Lies
3 copies - 1.5 average
Esika's Chariot
3 copies - 1.5 average
Glimpse of Freedom
2 copies - 1 average
Shark Typhoon
2 copies - 1 average