Sneak and Show is a fast combo deck that can end the game out of nowhere with Sneak Attack into Emrakul or Griselbrand, so Force of Negation is our best tool to stop Show and Tell or Sneak Attack for free on their turn. Fatal Push does nothing against their giant creatures (Atraxa, Emrakul, Griselbrand all far exceed its mana value range), so it comes out. Brazen Borrower's Adventure can bounce a Show and Tell'd permanent before it does damage, or the flash body blocks in a pinch. Daze is weak since it doesn't stop their combo once they have the mana to just play through it.`