Most played cards in Grixix Pyromancer:

1 Decks
Force of Will
4 copies - 4 average
Daze
4 copies - 4 average
Lightning Bolt
4 copies - 4 average
Delver of Secrets
4 copies - 4 average
Wasteland
4 copies - 4 average
Scalding Tarn
4 copies - 4 average
Brainstorm
4 copies - 4 average
Flooded Strand
4 copies - 4 average
Young Pyromancer
4 copies - 4 average
Ponder
4 copies - 4 average
Volcanic Island
3 copies - 3 average
Underground Sea
3 copies - 3 average
Gurmag Angler
3 copies - 3 average
Abrade
2 copies - 2 average
Spell Pierce
2 copies - 2 average
Diabolic Edict
2 copies - 2 average
Preordain
2 copies - 2 average
Pyroblast
2 copies - 2 average
True-Name Nemesis
2 copies - 2 average
Inquisition of Kozilek
2 copies - 2 average