When it comes to sideboarding, I think the most obvious cards you can cut are as follows: 1-2 Exhume or Animate Dead Going down to ten reanimation spells is okay, and which you cut depends on the matchup
However, this is a case of Obfuscating Stupidityunbeknownst to her students, she delivered an Implied Death Threat to a member of the Carpenters' Guild who was planning to sabotage the Witchcrafters' fireworks display, and when she received the message from Endymion to join forces with him and stop Zoroa, she immediately left town, leaving it to Haine to run the entire guild (much to the latter's dismay)
This mechanic could prompt players to increase the number of cards in their decks that banish targets without having to challenge, such as Dragon Fire and Maleficent - Monstrous Dragon
Not one, or the Commander, or a creature type, but any number, or just here with the built-in lifelink to get a bigger trigger