Looks like this hasn't been posted, so... Rotom (Rotom-W) @ Leftovers Trait: Levitate EVs: 248 HP / 28 SAtk / 232 SDef Calm Nature (+SDef, -Atk) - Volt Switch - Pain Split - Hydro Pump - Will-O-Wisp / Thunder Wave Role: Special Wall, Tank What It Does: Rain is the dominant weather in this metagame and specially defensive Rotom-W happens to be one of the best checks to Tornadus-T, the poster boy of rain offense. It can also check Starmie, Politoed and other water types and severely damage them with Volt Switch. It's also a decent enough check for other special attackers like Rock Polish Landorus-I and few others. The 28 SpA EVs are needed to OHKO Gliscor without rain, while the other EVs are invested in HP and SpDef to give maximum special bulk. If you use Thunder Wave instead of Will-O-Wisp, you can cripple offensive Pokemon like Latios, Keldeo, Venusaur etc. while Will-o-Wisp cripples Ferrothorn, Scizor, Breloom etc. Pain Split is a semi reliable method of restoring your HP. Good Teammates: SpDef Rotom-W has problems in dealing with Lati@s, Celebi, Ferrothorn and the pink blobs, so Choice Band Scizor is a great partner, as it can beat these threats and also maintains momentum with its STAB U-turn. Celebi is also a great partner, as it can defeat problematic Pokemon like Breloom and Thundurus-T. Ferrothorn is a great partner as well, being a decent check to the Lati@s, physical dragon types as well as Water / Ground types like Gastrodon. Heatran is another Steel type with the ability to beat the problematic bulky grass types. Gliscor and Landorus-T also work well, as they have great synergy with Rotom-W. In fact, a combination of Landorus-T / Gliscor, Rotom-W and Ferrothorn gives your team resistances to every offensive type in the game. What Counters It: Latias, Blissey, Chansey and Celebi are the best defensive Rotom-W counters. Several physical offensive Pokemon like Dragon types and Breloom also give it trouble. Lum Berry Dragonite can come in on Hydro Pump and set up a Dragon Dance easily. Ferrothorn is a good check, but is scared of Will-o-Wisp which cripples it. However, with its propensity to Volt Switch out of its counters, beating Rotom-W becomes difficult, so it's best to have Stealth Rock on the field and hit it with strong STAB moves as it switches in. Any Additional Info: HP Fire or Ice are options to defeat specific threats. Either way, SpDef Rotom-W is a great Pokemon with the ability to beat a lot of Pokemon in the common rain teams. EDIT: Oh, forgot to mention that this is for use.