Welcome to Smogon! Take a moment to read the Introduction to Smogon for a run-down on everything Smogon, and make sure you take some time to read the global rules.
If it comes with DW ability: Timid HP Fighting or Timid Flawless Eevee (31/31/30/30/30/30 for HP Fighting, or 31/31/31/31/31/31 for flawless)
If not: Bold HP Electric Eevee 31/31/31/30/31/31