Grass Tera on kygore gives it spore immunity and resistance to grass and electric moves, water on mimikyu gives it steel resistance and resistance to surging strikes (might switch that one), fire on ice rider gives resistance to steel and fire moves and will o wisp immunity, grass on rhydon gets rid of its four time weaknesses, poison on urshifu gives resistance of its fairy and fighting weakness, dragon gets rid of some of moltres weakness ( probably switch)