How about a Milotic that is just a nice wall:
Milotic @ Flame Orb
Ability: Marvel Scale
EV's 252 HP / 80 Def / 176 Sp. Def
Bold Nature
Recover
Aqua Ring/Refresh
Surf
Toxic
Recover is a quick recovery move that doesn't need much explanation. Aqua Ring can fill in for Leftovers in case you might...