Most played cards in Threshold 5c:

5 Decks
 ↓ Brainstorm
20 copies – 4 avg
↓ Counterbalance
20 copies – 4 avg
↓ Flooded Strand
20 copies – 4 avg
↓ Force of Will
20 copies – 4 avg
↓ Polluted Delta
20 copies – 4 avg
↓ Swords to Plowshares
20 copies – 4 avg
↓ Tarmogoyf
20 copies – 4 avg
↓ Thoughtseize
17 copies – 3.4 avg
↓ City of Brass
16 copies – 3.2 avg
↓ Nimble Mongoose
16 copies – 3.2 avg
↓ Ponder
16 copies – 3.2 avg
↓ Pyroclasm
16 copies – 3.2 avg
↓ Sensei's Divining Top
16 copies – 3.2 avg
↓ Daze
15 copies – 3 avg
↓ Krosan Grip
14 copies – 2.8 avg
↓ Tropical Island
10 copies – 2 avg
↓ Tundra
10 copies – 2 avg
↓ Mystic Enforcer
8 copies – 1.6 avg
↓ Underground Sea
7 copies – 1.4 avg
↓ Fact or Fiction
6 copies – 1.2 avg