mtg sigarda commander deck EDH Tech - Sigarda, Font of Blessings - Holier Than Thou! Sigarda, Font of Blessings Budget

You may not want to cause havoc like this

Agent of Trachery rewards you if you take a lot of cards from other players

Cosmic Spider-Mans also not all that interesting

Loran of the Third Path will be mainly used in Mardu decks with Queen Marchesa commander, and White Blue lists with The Council of Four commander that are especially interested in this card's draw mechanic

Its a great source of card draw, and it incentivizes people to attack specific players

Gavin Verhey specifically stated multiple times in this announcement that a lot of the terms of these tiers fall under feel. It is technically very possible to build an incredibly powerful Commander deck that falls under the deck construction rules of the Exhibition Tier, but these decks are specifically weaker than the average Commander precon according to the second tier