Client Illusion in Doubles with Terastallization

[《¤Gizaes¤》]

What type of bug are you reporting? Unsure

What is the bug?
It is a graphic glitch where if you skip to the next turn, something funny happens.

Are you able to replicate it? If so, how?
This is the replay
https://replay.pokemonshowdown.com/gen9randomdoublesbattle-2186358485
This is picture 1

And here is picture 2

 

[urkerab]

(With the replay, simply selecting Go to turn 8 is enough to demonstrate the bug.)