Most played cards in Sudden Substitution:

1 Decks
 ↓ Forbidden Orchard
4 copies – 4 avg
↓ Lotus Petal
4 copies – 4 avg
↓ Force of Will
4 copies – 4 avg
↓ Pact of Negation
4 copies – 4 avg
↓ Pact of the Titan
4 copies – 4 avg
↓ Summoner's Pact
4 copies – 4 avg
↓ Brainstorm
4 copies – 4 avg
↓ Ponder
4 copies – 4 avg
↓ Preordain
4 copies – 4 avg
↓ Merchant Scroll
4 copies – 4 avg
↓ Sudden Substitution
4 copies – 4 avg
↓ Leyline of Sanctity
4 copies – 4 avg
↓ Defense Grid
4 copies – 4 avg
↓ Scalding Tarn
2 copies – 2 avg
↓ Ancient Tomb
2 copies – 2 avg
↓ Otawara, Soaring City
2 copies – 2 avg
↓ Elvish Spirit Guide
2 copies – 2 avg
↓ Dress Down
2 copies – 2 avg
↓ Surgical Extraction
2 copies – 2 avg
↓ Misty Rainforest
1 copies – 1 avg