Most played cards in BRW Control:

2 Decks
Plateau
8 copies - 4 average
Lightning Bolt
8 copies - 4 average
Swords to Plowshares
8 copies - 4 average
Badlands
8 copies - 4 average
Disenchant
8 copies - 4 average
Fellwar Stone
6 copies - 3 average
Disrupting Scepter
5 copies - 2.5 average
Divine Offering
5 copies - 2.5 average
Blood Moon
4 copies - 2 average
Sedge Troll
4 copies - 2 average
Red Elemental Blast
4 copies - 2 average
City in a Bottle
4 copies - 2 average
Serra Angel
4 copies - 2 average
Scrubland
4 copies - 2 average
Fireball
3 copies - 1.5 average
Ivory Tower
3 copies - 1.5 average
Falling Star
3 copies - 1.5 average
Wrath of God
2 copies - 1 average
Desert
2 copies - 1 average
Circle of Protection: Red
2 copies - 1 average