This is because effects that change subtypes are applied before considering effects that remove abilities, regardless of the order in which those effects started
This conversation can cover deck strength, unusual Commanders, infinite combos, mass Land destruction, extra turns, proxies, house rules, or anything else likely to affect the table's experience
No one tends to notice it all by itself until you have enough counters to matter
When I started posting these cards for sale, fellow Quiet Speculation contributor Malcolm Moss (TPBlaster in Discord) told me about the misprint Facebook groups where I could post these
Ill be saving some of these as I dont think they are all on Bulbapedias connected art work/narrative art pages
My only concern when it comes to Mewtwo is how to power it up consistently, turn after turn effectively