Now I know OU is already fucked six ways to Sunday, but how could

>>32932213
>ultra beasts can now ultra fuse
>2 of the receiver's stats will be replaced by the fuser's

>>32932213
New mega Evolutions for existing viable or near viable pokemon, new signature z-moves for older pokemon who don;t benefit much from any particular held item, new hidden abilities for pokemon whose base abilities are either not useful or detrimental...

>>32932213
Greninja gets Nasty Plot as a Tutor Move

>Tapu Lele used Quiver Dance.

Ash-Greninja with Gunk Shot
Tapu Lele with Earth Power
Marshadow with Knock Off, Gunk Shot, Focus Punch, and Icy Wind

>>32932213
>Tapus get Shell Smash
>Ash-Greninja with tutor moves
>Ultra Beasts get HA's (Flash Fire Celesteela, ect)
>Toxapex gets some stalling tutor move I can't think of now
>Incineroar gets Intimidate
>Tapus get HAs, making Tapu Fini more dangerous
>Ultra Beasts get tutor moves
>Tapu Lele gets tutor moves
>OU shifts up in power because of all of this, so Ubers rejects like Reshiram, Palkia, Solgaleo, Deoxys-D and Deoxys-N all drop to OU, and Smogon instates a "no backsies" clause for their tier decisions within the same game's meta

>>32932213
>tapu move tutors
>tapu koko gets play rough

>>32935744
The Tapu HAs won't affect OU, though.