Yo Blunder, Toga Khan here,
https://pokepast.es/1804a96153f320f7
I was missing Mega Mewtwo X so was just looking at him in the builder and realised that they gave him Knock Off this gen. So yeah, this is a Knock Mega Mewtwo X NatDex Ubers team. Side note - How tf have we still allowed Gholdengo in OU? This dude owns even in NatDex Ubers.