Most played cards in Stasis:

4 Decks
Ponder
16 copies - 4 average
Force of Will
16 copies - 4 average
Brainstorm
16 copies - 4 average
Ral Zarek
12 copies - 3 average
Stasis
12 copies - 3 average
Snow-Covered Island
11 copies - 2.75 average
Surgical Extraction
8 copies - 2 average
Pyroblast
8 copies - 2 average
Flooded Strand
8 copies - 2 average
Blood Moon
8 copies - 2 average
Swords to Plowshares
8 copies - 2 average
Prismatic Vista
7 copies - 1.75 average
Force of Negation
7 copies - 1.75 average
Snapcaster Mage
7 copies - 1.75 average
Scalding Tarn
7 copies - 1.75 average
Ice-Fang Coatl
6 copies - 1.5 average
Misty Rainforest
6 copies - 1.5 average
Abundant Growth
6 copies - 1.5 average
Uro, Titan of Nature's Wrath
6 copies - 1.5 average
Abrupt Decay
6 copies - 1.5 average