Most played cards in Omni-Attack:

1 Decks
 ↓ Ancient Tomb
4 copies – 4 avg
↓ Omniscience
4 copies – 4 avg
↓ Flooded Strand
4 copies – 4 avg
↓ Leyline of the Void
4 copies – 4 avg
↓ Show and Tell
4 copies – 4 avg
↓ Brainstorm
4 copies – 4 avg
↓ Cunning Wish
4 copies – 4 avg
↓ Force of Will
4 copies – 4 avg
↓ Ponder
4 copies – 4 avg
↓ Pyroclasm
3 copies – 3 avg
↓ Sneak Attack
3 copies – 3 avg
↓ Preordain
3 copies – 3 avg
↓ Lotus Petal
3 copies – 3 avg
↓ Boseiju, Who Shelters All
3 copies – 3 avg
↓ Griselbrand
3 copies – 3 avg
↓ Emrakul, the Aeons Torn
3 copies – 3 avg
↓ Volcanic Island
3 copies – 3 avg
↓ Polluted Delta
3 copies – 3 avg
↓ Impulse
2 copies – 2 avg
↓ Echoing Truth
2 copies – 2 avg