Most played cards in Stasis:

2 Decks
Blue Elemental Blast
7 copies - 3.5 average
Power Sink
7 copies - 3.5 average
Black Vise
7 copies - 3.5 average
Stasis
6 copies - 3 average
Counterspell
6 copies - 3 average
Howling Mine
5 copies - 2.5 average
Disenchant
4 copies - 2 average
Ivory Tower
4 copies - 2 average
Tundra
4 copies - 2 average
Swords to Plowshares
4 copies - 2 average
Time Elemental
4 copies - 2 average
City in a Bottle
4 copies - 2 average
Boomerang
4 copies - 2 average
The Tabernacle at Pendrell Vale
3 copies - 1.5 average
Yotian Soldier
3 copies - 1.5 average
Mox Sapphire
2 copies - 1 average
Unsummon
2 copies - 1 average
Copy Artifact
2 copies - 1 average
Mox Ruby
2 copies - 1 average
Force Spike
2 copies - 1 average