Main deck (60) 4 Ancient Tomb 4 Brainstorm 1 City of Traitors 4 Force of Will 4 Hive Mind 4 Pact of Negation 4 Pact of the Titan 4 Polluted Delta 4 Ponder 4 Preordain 4 Prismatic Vista 4 Show and Tell 1 Slaughter Pact 7 Snow-Covered Island 3 Stifle 4 Sudden Substitution Sideboard (15) 1 Boseiju, Who Shelters All 4 Dress Down 2 Echoing Truth 3 Leyline of the Void 1 Slaughter Pact 2 Sorcerous Spyglass 2 Surgical Extraction