Most played cards in Cascade Valki:

3 Decks
Simian Spirit Guide
12 copies - 4 average
Shardless Agent
12 copies - 4 average
Force of Negation
12 copies - 4 average
Force of Will
12 copies - 4 average
Leyline of the Void
12 copies - 4 average
Violent Outburst
12 copies - 4 average
Elvish Spirit Guide
12 copies - 4 average
Oko, Thief of Crowns
11 copies - 3.67 average
Mystical Dispute
10 copies - 3.33 average
Valki, God of Lies
10 copies - 3.33 average
Ardent Plea
8 copies - 2.67 average
City of Brass
8 copies - 2.67 average
Gemstone Mine
8 copies - 2.67 average
Misdirection
8 copies - 2.67 average
Misty Rainforest
7 copies - 2.33 average
Dismember
6 copies - 2 average
Lavinia, Azorius Renegade
6 copies - 2 average
Tropical Island
6 copies - 2 average
Gemstone Caverns
5 copies - 1.67 average
Uro, Titan of Nature's Wrath
5 copies - 1.67 average