Even when Lorwyn , the set planeswalkers were introduced in, came out, it took a long time for WotC to realize how they could harness the power of characters that we, the audience, could identify with, care about, follow, and learn from
But it's also true that people can use Encroaching Mycosynth to make the battle an artifact, then The Blackstaff of Waterdeep to make it a creature, then Arcane Adaptation to make it a Human, then Moonmist to transform it, and because of the changes to DFC token rules introduced for Incubator tokens, that token would then transform
The matchup gets much better after sideboarding, since you now have access to ten ways to disrupt their hand
Dynamic highlights Mewtwos determined expression, as its eye is alight with the thrill of battle
The 0-loyalty ability can be a finisher if youve already got a wide enough board, which is why I see this Ajani as more of a support piece, personally