Most played cards in WB Control:

2 Decks
Gerrard's Verdict
8 copies - 4 average
Swords to Plowshares
8 copies - 4 average
Vindicate
8 copies - 4 average
Caves of Koilos
8 copies - 4 average
Exalted Angel
8 copies - 4 average
Duress
8 copies - 4 average
Disenchant
7 copies - 3.5 average
Decree of Justice
7 copies - 3.5 average
Skeletal Scrying
5 copies - 2.5 average
Eternal Dragon
5 copies - 2.5 average
Circle of Protection: Red
5 copies - 2.5 average
Phyrexian Arena
4 copies - 2 average
Wrath of God
4 copies - 2 average
Aura of Silence
3 copies - 1.5 average
Dust Bowl
3 copies - 1.5 average
Engineered Plague
3 copies - 1.5 average
Smother
2 copies - 1 average
Tormod's Crypt
2 copies - 1 average
Silver Knight
2 copies - 1 average
Phyrexian Furnace
2 copies - 1 average