Both of the moves this card has are below average, and I think it would hurt your deck more to use this card in it, than it would to leave it out
Elite Fourum MTG Capitalizes on the Pokemon/Weiss Waifu Boom News & Links news, mtg, waifu Dyl September 2, 2023, 1:18am 1 MTGs new Wilds of Eldraine set contains quite a few Waifu-esque cards that are fetching very high prices on TCGPlayer
Although Kaito enters attacking when his ninjutsu ability resolves, he was never declared as an attacking creature (for purposes of abilities that trigger whenever a creature attacks, for example)
Breaking down Mewtwo ex In this deck you essentially get your staple Mewtwo ex deck
Merrow Bonegnawer Costs no mana, can be done more than once a turn, might be everything you want it to be