I have an idea. If I have this set for Lucario, will it work?
(Need help on the last move)
Will this set work? If not, any suggestions?
Yes it will work, although even at +2 you will be unlikely to OHKO much. Lucario has a base Speed of 90 which ties with Genesect, so you can run Swords Dance, Bullet Punch and then two other moves. The two I would suggest are High Jump Kick/Close Combat and Blaze Kick, Stone Edge, or Shadow Claw. This way you have a powerful reliable way to kill the opponent, with optional STAB priority. The problem with running priority attacks is that they often lack power.
Yes, it will work, swords dance boosts the attack stat by 2 stages. And also some priority moves are physical. And the move for lucario could be quick attack or close combat for a last resort :P
Source: using swords dance 3 times and killing dianthas team with shadow sneak. Hope this helps!