All right, I'm going to make this brief as to avoid any unneeded longwinded explanations.
Table of Contents
I. The Pokemon, their purpose and their counters.
II. Overall counters.
III. End Notes.
The Pokemon
Starmie @ Choice Scarf
Trait: Natural Cure
EVs: 252 SAtk / 4 SDef / 252 Spd
Timid...