Most played cards in Jhoira of the Ghitu:

3 Decks
Anticipate
3 copies - 1 average
Brainstorm
3 copies - 1 average
Ancestral Vision
3 copies - 1 average
Counterflux
3 copies - 1 average
Ulamog, the Infinite Gyre
3 copies - 1 average
Emrakul, the Aeons Torn
3 copies - 1 average
Kozilek, Butcher of Truth
3 copies - 1 average
Ulamog, the Ceaseless Hunger
3 copies - 1 average
Counterspell
3 copies - 1 average
Cyclonic Rift
3 copies - 1 average
Mana Leak
3 copies - 1 average
Negate
3 copies - 1 average
Ponder
3 copies - 1 average
Preordain
3 copies - 1 average
Izzet Charm
3 copies - 1 average
Impulse
3 copies - 1 average
Wandering Fumarole
3 copies - 1 average
Decree of Annihilation
3 copies - 1 average
Electrolyze
3 copies - 1 average
Swan Song
3 copies - 1 average