Most played cards in UWR Control:

1 Decks
Flooded Strand
4 copies - 4 average
Serum Visions
4 copies - 4 average
Lightning Bolt
4 copies - 4 average
Saheeli Rai
4 copies - 4 average
Felidar Guardian
4 copies - 4 average
Path to Exile
3 copies - 3 average
Spreading Seas
3 copies - 3 average
Snapcaster Mage
3 copies - 3 average
Scalding Tarn
2 copies - 2 average
Pia and Kiran Nalaar
2 copies - 2 average
Lightning Helix
2 copies - 2 average
Spirebluff Canal
2 copies - 2 average
Steam Vents
2 copies - 2 average
Anger of the Gods
2 copies - 2 average
Sulfur Falls
2 copies - 2 average
Wall of Omens
2 copies - 2 average
Vendilion Clique
2 copies - 2 average
Remand
2 copies - 2 average
Spell Snare
2 copies - 2 average
Stony Silence
2 copies - 2 average