While some of the fatter creatures grant a nice chunk of energy, its a bit of a trap, really
In a few corner cases you'll want to send the loss of abilities to an opponent's creature, you'll deal with the counters they get if you avoid one of those game warping abilities running all over the tables these days
Theyre so unique that wheel decks are a specific EDH theme
Buying them with Shop Tickets is also an option
This land base can be quite difficult to assemble if youre new to the Commander format or Magic in general, so feel free to swap those fetches, shocks and whatnot out for something else
Mill decks will definitely be including this Jace Variant, as its ultimate ability is too tempting and hilariously mean to resist, and counter manipulation via Proliferate makes it that much easier to activate