Most played cards in Izzet Delver:

1 Decks
Volcanic Island
4 copies - 4 average
Ravenous Trap
3 copies - 3 average
Delver of Secrets
3 copies - 3 average
Sprite Dragon
3 copies - 3 average
Force of Will
3 copies - 3 average
Lightning Bolt
3 copies - 3 average
Shattering Spree
3 copies - 3 average
Pyroblast
3 copies - 3 average
Preordain
3 copies - 3 average
Flooded Strand
2 copies - 2 average
Magus of the Moon
2 copies - 2 average
Grafdigger's Cage
2 copies - 2 average
Polluted Delta
2 copies - 2 average
Dreadhorde Arcanist
2 copies - 2 average
Scalding Tarn
2 copies - 2 average
Misty Rainforest
2 copies - 2 average
Chalice of the Void
1 copies - 1 average
Dack Fayden
1 copies - 1 average
Mox Ruby
1 copies - 1 average
Surgical Extraction
1 copies - 1 average