Hey! Fun looking team, but a few things I'd like to suggest-
I would change Sandslash to Seismitoad to grab a resistance to Feraligatr as it does work to your team. Standard defensive seismitoad would do nicely
Seismitoad @ Leftovers
Ability: Water Absorb
EVs: 252 HP / 192 Def / 64 Spe
Bold...