mtg card that gives all creatures hexproof Crystal Barricade (FDN) #296 Rules Text: You, have, hexproof,

Your opponents have to contend with extra ward on your enchant creatures and deal with your enchantments twice

Also note that there are significantly more new cards per deck here than there are in the typical Standard-release Commander decks, so thats fewer slots dedicated to reprints

Supreme Verdict An upgraded version of Wrath of God, Supreme Verdict is technically a more restrictive and more difficult card because of its mana cost but is better in one key way: Supreme Verdict cannot be countered

Toss in Night of Souls' Betrayal, Kaervek, the Spiteful, or Ascendant Evincar and your opponents wont have a board