If there is a final tournament in the next arc after Episode N, then the remaining pokemon from Ash's roster should get new moves.
Let's recap first.
Pikachu is done.
Pignite replaced Tackle with Brick Break.
Leavanny replaced Tackle with X-Scissor.
Palpitoad learned Sludge Wave, completing his moveset.
Krookodile replaced Crunch with Aerial Ace.
Now as sharing moves doesn't seem to be a problem for Ash's team, these are the moves I want the remaining pokemon to learn by the end of the possible tournament.
Unfezant replacing Gust with Giga Impact.
(Quick Attack, Giga Impact, Air Cutter, Aerial Ace)
Oshawott replacing Tackle with Ice Beam)
(Razor Shell, Aqua Jet, Hydro Pump, Ice Beam)
Snivy replacing Leaf Blade with Iron Tail.
(Vine Whip, Leaf Storm, Attract, Iron Tail)
Scraggy replacing Leer with Payback.
(Payback, Focus Blast, Hi Jump Kick, Headbutt)
Boldore replacing Sandstorm with Double Team.
(Rock Blast, Flash Cannon, Rock Smash, Double Team)