Anyway..... Back to countering that there cloyster.
Vaporeon @ Leftovers
Water Absorb
Nature: Bold
252hp/252Def/4SpA
Scald
Roar
Wish
Protect
Can Take every single one of cloysters attacks. a +4 Icicle Spear will do at most 29.7%. Can roar them out and even scald can beat the cloyster 1 on 1.

Vaporeon @ Leftovers
Water Absorb
Nature: Bold
252hp/252Def/4SpA
Scald
Roar
Wish
Protect
Can Take every single one of cloysters attacks. a +4 Icicle Spear will do at most 29.7%. Can roar them out and even scald can beat the cloyster 1 on 1.