ASHIOK, NIGHTMARE MUSE Ashiok, Nightmare Muse is the closest 2020 design to what I think of as the default Planeswalker subgame: CMC 5, uptick for card advantage, downtick to kill a target, big splashy game-winning ultimate
The combos with Regal Caracal or King of the Pride are brutal and just a tiny Helpful Hunter provides you a lot of value if Arahbo is around
Its power scales with your biggest artifact, so things get wild if you have something like Wurmcoil Engine out
There are also value creatures like Aether Channeler and Helpful Hunter that can fill out your curve and serve as blink targets
The ability to boost artifacts and Heroes based on Artificers present and in the graveyard is a great nod to the Cids throughout the series supporting the protagonists with their technical expertise
Everyone who is or thinks theyre funny has riffed on how bad this set was to the point that its tired