In the teambuilder a pokemon without physical moves has it's attack IVs automaticaly set to 0. This is useful to reduce the effect of strength sap and foul play, however there doesn't seem to be a way to not apply this if chosen to (on a liquid ooze pokemon for example). As soon as you leave the EV and IV page, the attack IV automaticaly resets to 0 even if you chose to put 31. The builder also does not detect rapid spin as a physical move so your attack IVs are automaticaly set to 0 if rapid spin is your only physical move. I guess in last gens the move's pathetic power justified it, but with 50bp, it's actualy not the weakest move compared to things like nuzzle which does count as a physical move for the builder.
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