Replace Krookodile's stealth rock, crunch, and fire fang with pursuit to reliably hit dark-weak Pokemon, knock off for (usually) more power and removing items, and stone edge to cover ice, flying, and bug. Give Crobat a flyinium Z to break certain walls and infiltrator to damage substitute users more. Replace its giga drain and shadow ball with air slash for STAB and defog to remove hazards. Give Goodra sap sipper to switch into grass attacks better. Replace its dragon pulse, sludge bomb, and muddy water with draco meteor for more power, thunderbolt to cover water, and fire blast to cover ice and steel. Give Ninetales 252 HP/4 Def/252 Spe timid to take more hits. Replace its ice beam, nasty plot, and moonblast with freeze-dry to cover water, hypnosis to put opponents to sleep, and encore to get yourself free turns. Give Lucario justified in case you switch into a dark attack. Replace its high jump kick, earthquake, and ice punch with close combat for more accuracy, swords dance to raise physical attack and sweep, and bullet punch to hit faster opponents. Replace Feraligatr's waterfall with liquidation for more power.