Most played cards in Sharkstill:

1 Decks
Force of Negation
4 copies - 4 average
Currency Converter
4 copies - 4 average
Force of Will
4 copies - 4 average
Shark Typhoon
4 copies - 4 average
Swords to Plowshares
4 copies - 4 average
Standstill
4 copies - 4 average
Brainstorm
4 copies - 4 average
Lórien Revealed
4 copies - 4 average
Tundra
4 copies - 4 average
Wasteland
4 copies - 4 average
Urza's Saga
4 copies - 4 average
Deafening Silence
3 copies - 3 average
Timeless Dragon
2 copies - 2 average
Flusterstorm
2 copies - 2 average
Prismatic Ending
2 copies - 2 average
March of Otherworldly Light
2 copies - 2 average
Flooded Strand
2 copies - 2 average
Supreme Verdict
2 copies - 2 average
Dovin's Veto
2 copies - 2 average
Surgical Extraction
2 copies - 2 average