Sneak and Show wants to cheat Griselbrand, Atraxa, Grand Unifier, or Emrakul, the Aeons Torn into play via Sneak Attack or Show and Tell, and Fury can be evoked for free by exiling a red card to deal 4 damage split as needed, which is enough to kill most of their support creatures and disrupts their clock without costing a card from your plan. Maelstrom Wanderer is too slow to matter in a race defined by one big cheated-in threat, so it comes out to make room. Tibalt's Trickery in the maindeck is at its best here since countering their Sneak Attack or Show and Tell and redirecting into a random spell is frequently a blowout against a deck built around a single payoff. Prioritize fast starts off Ancient Tomb to pressure them before they assemble their combo, since their Force of Will count means they can protect it once online.