archenemy card mtg Cruel Ultimatum [Archenemy: Nicol Bolas] destroy all nonland permanents target opponent controls. MTG Archenemy 4 Complete Decks

The more attractive upgrade is to change a bunch of the instants into you did this to yourself cards, like Reflect Damage and Mirror Strike

Improvements + Cards To Drop There are plenty of easy drops here

This is especially prevalent in Standard, where there are a number of good ways to ramp, as well as Cavern of Souls to push through the one clean way to answer Atraxa which is by countering it and denying it's enters the battlefield trigger

Of course, I've mentioned how it's an ok EphemerateEphemerate target, but it's not a primary one, so you might end up having to choose between flickering a card with a good triggered ability and trying to cushion the huge mana investment

However, Theros is its own original world, with a distinct pantheon, geography, and history

While its not a squirrel typal commander per se (unlike the secondary commander), its nice and open-ended enough that I could see this leading a few different decks, and the main set squirrels care about food tokens, so theres a place to start