Most played cards in Sai, Master Thopterist:

2 Decks
Snow-Covered Island
24 copies - 12 average
Aether Spellbomb
2 copies - 1 average
Whir of Invention
2 copies - 1 average
Ankh of Mishra
2 copies - 1 average
Bident of Thassa
2 copies - 1 average
Lotus Petal
2 copies - 1 average
Karn, Scion of Urza
2 copies - 1 average
Jeweled Amulet
2 copies - 1 average
Ensoul Artifact
2 copies - 1 average
Transmute Artifact
2 copies - 1 average
Thoughtcast
2 copies - 1 average
Ponder
2 copies - 1 average
Metallic Rebuke
2 copies - 1 average
Mental Misstep
2 copies - 1 average
Preordain
2 copies - 1 average
Remand
2 copies - 1 average
Thirst for Knowledge
2 copies - 1 average
Spell Snare
2 copies - 1 average
Reverse Engineer
2 copies - 1 average
Mishra's Bauble
2 copies - 1 average