Best moveset for gentle mew and team help?

So i recentely got Mew jonied being gentle nature

for now i need a team re do all lv 80 (Golem and Rotom at lv 118)
i have a tyranitar with armor and mega
That one last evo delta axew forgor name
Mega eevee ( in daycare)
Delta Scyther (in daycare)

im doubting if catch more deltas or any other mon to progress since now i got mew i need build it since its a strong mid game so, painn