Most played cards in Aminatou, the Fateshifter:

3 Decks
Snow-Covered Island
9 copies - 3 average
Impulse
3 copies - 1 average
Inquisition of Kozilek
3 copies - 1 average
Hymn to Tourach
3 copies - 1 average
Hero's Downfall
3 copies - 1 average
Mana Leak
3 copies - 1 average
Miscalculation
3 copies - 1 average
Preordain
3 copies - 1 average
Ponder
3 copies - 1 average
Mystic Confluence
3 copies - 1 average
Go for the Throat
3 copies - 1 average
Gitaxian Probe
3 copies - 1 average
Duress
3 copies - 1 average
Dismember
3 copies - 1 average
Adarkar Wastes
3 copies - 1 average
Daze
3 copies - 1 average
Enlightened Tutor
3 copies - 1 average
Entreat the Angels
3 copies - 1 average
Force of Will
3 copies - 1 average
Force Spike
3 copies - 1 average