So yeah, this set is really cool. I had a bit of free time tonight and decided to write up a skeleton because I don't want other people taking it =D.
http://www.smogon.com/bw/pokemon/volcarona
[SET]
name: Moths Like Water, Not Fire (Drizzle Volcarona)
move 1: Quiver Dance
move 2: Bug Buzz
move 3: Hurricane
move 4: Fire Blast / Substitute
item: Leftovers / Life Orb
nature: Modest / Timid
evs: 252 SpA / 4 SpD / 252 Spe
[SET COMMENTS]
<p>This set might seem confusing to some people who lack imagination. While it might seem very strange to stick Volcarona, a Fire-type, on a rain team, if you look outside the box, then it will slowly become apparent that Volcarona fits on a rain team like a ligand fits on a receptor. The main attraction of this set is that Volcarona checks many Pokemon that threaten Drizzle teams, such as Celebi, Calm Mind Virizion, Toxicroak, Latias, Ferrothorn, and Scizor. It also gives rain teams a huge weapon to use against sun teams, since Volcarona is ridiculously powerful in the sun. The main thing to remember is that while Volcarona can often sweep, its primary objective is to support the team by checking the aforementioned threats.</p>
<p>Bug Buzz is now Volcarona's main STAB attack, and it hits very hard after a Quiver Dance. In the rain, Hurricane is a viable option for Volcarona. With Hurricane, Volcarona can OHKO Choice Band Dragonite after Stealth Rock damage about 50% of the time, and hit Terrakion extremely hard. Defensive Dragonite cannot OHKO Volcarona with anything apart from Aqua Tail, while Volcarona can easily 2HKO with Hurricane in return. While it might seem counter-intuitive to use Fire Blast in the rain, it is still Volcarona's most powerful option against Ferrothorn, Scizor, and other Steel-types, such as Skarmory and Jirachi. Fire Blast cleanly OHKOes Ferrothorn, Skarmory, and Scizor after Stealth Rock damage and puts a huge molten dent in Jirachi, even in the rain. It also becomes Volcarona's main weapon against sun teams. However, Substitute is another option for Volcarona to avoid status and Leech Seed from Pokemon such as Jirachi and Ferrothorn, respectively.</p>
[ADDITIONAL COMMENTS]
<p>Although this set plays a more supportive role, its EVs are still used to maximize sweeping potential, as there is little other reason to run anything else. A Modest nature is preferred for the chance to OHKO Ferrothorn with an unboosted Fire Blast. Since Volcarona is mostly playing a support role, Leftovers is the preferred item to increase Volcarona's longevity. However, a Life Orb can be used to guarantee some very useful OHKOes, such as those against Dragonite, Terrakion, Gliscor, and Landorus, with Hurricane after a Quiver Dance and Stealth Rock damage, as well as Jirachi with Fire Blast after Spikes damage. It also guarantees an OHKO on Ferrothorn with Fire Blast without a Quiver Dance. Hidden Power Water can be used over Fire Blast or Substitute to heavily damage Heatran, but because rain teams have very little trouble against Heatran, the options presented are better.</p>
<p>Like with all the other sets, Stealth Rock, Blissey, Chansey, and specially defensive Heatran with Toxic and Roar are huge thorns in Volcarona's side. Although rare, Snorlax and Empoleon also handily beat the fiery moth in the rain. Choice Scarf Landorus and Terrakion outspeed Volcarona even after one Quiver Dance and OHKO with Stone Edge. Tentacruel and Starmie are excellent Rapid Spinners to use in the rain. Toxicroak can switch into Blissey and Chansey with impunity, and gets extra HP recovery in the rain. Terrakion and Lucario also take down the two pink blobs extremely quickly. Dugtrio can trap and KO Heatran, as well as remove other weather inducers, namely Tyranitar and Ninetales. Bulkier Grass-types such as Virizion and Tangrowth can take on Landorus, while Latios is immune to Earthquake and easily OHKOes Landorus with Surf. Politoed is an essential teammate due to its ability to summon rain. Volcarona also appreciates entry hazards, especially Stealth Rock, as without it, it cannot scratch Multiscale Dragonite, who would KO in return.</p>
http://www.smogon.com/bw/pokemon/volcarona
[SET]
name: Moths Like Water, Not Fire (Drizzle Volcarona)
move 1: Quiver Dance
move 2: Bug Buzz
move 3: Hurricane
move 4: Fire Blast / Substitute
item: Leftovers / Life Orb
nature: Modest / Timid
evs: 252 SpA / 4 SpD / 252 Spe
[SET COMMENTS]
<p>This set might seem confusing to some people who lack imagination. While it might seem very strange to stick Volcarona, a Fire-type, on a rain team, if you look outside the box, then it will slowly become apparent that Volcarona fits on a rain team like a ligand fits on a receptor. The main attraction of this set is that Volcarona checks many Pokemon that threaten Drizzle teams, such as Celebi, Calm Mind Virizion, Toxicroak, Latias, Ferrothorn, and Scizor. It also gives rain teams a huge weapon to use against sun teams, since Volcarona is ridiculously powerful in the sun. The main thing to remember is that while Volcarona can often sweep, its primary objective is to support the team by checking the aforementioned threats.</p>
<p>Bug Buzz is now Volcarona's main STAB attack, and it hits very hard after a Quiver Dance. In the rain, Hurricane is a viable option for Volcarona. With Hurricane, Volcarona can OHKO Choice Band Dragonite after Stealth Rock damage about 50% of the time, and hit Terrakion extremely hard. Defensive Dragonite cannot OHKO Volcarona with anything apart from Aqua Tail, while Volcarona can easily 2HKO with Hurricane in return. While it might seem counter-intuitive to use Fire Blast in the rain, it is still Volcarona's most powerful option against Ferrothorn, Scizor, and other Steel-types, such as Skarmory and Jirachi. Fire Blast cleanly OHKOes Ferrothorn, Skarmory, and Scizor after Stealth Rock damage and puts a huge molten dent in Jirachi, even in the rain. It also becomes Volcarona's main weapon against sun teams. However, Substitute is another option for Volcarona to avoid status and Leech Seed from Pokemon such as Jirachi and Ferrothorn, respectively.</p>
[ADDITIONAL COMMENTS]
<p>Although this set plays a more supportive role, its EVs are still used to maximize sweeping potential, as there is little other reason to run anything else. A Modest nature is preferred for the chance to OHKO Ferrothorn with an unboosted Fire Blast. Since Volcarona is mostly playing a support role, Leftovers is the preferred item to increase Volcarona's longevity. However, a Life Orb can be used to guarantee some very useful OHKOes, such as those against Dragonite, Terrakion, Gliscor, and Landorus, with Hurricane after a Quiver Dance and Stealth Rock damage, as well as Jirachi with Fire Blast after Spikes damage. It also guarantees an OHKO on Ferrothorn with Fire Blast without a Quiver Dance. Hidden Power Water can be used over Fire Blast or Substitute to heavily damage Heatran, but because rain teams have very little trouble against Heatran, the options presented are better.</p>
<p>Like with all the other sets, Stealth Rock, Blissey, Chansey, and specially defensive Heatran with Toxic and Roar are huge thorns in Volcarona's side. Although rare, Snorlax and Empoleon also handily beat the fiery moth in the rain. Choice Scarf Landorus and Terrakion outspeed Volcarona even after one Quiver Dance and OHKO with Stone Edge. Tentacruel and Starmie are excellent Rapid Spinners to use in the rain. Toxicroak can switch into Blissey and Chansey with impunity, and gets extra HP recovery in the rain. Terrakion and Lucario also take down the two pink blobs extremely quickly. Dugtrio can trap and KO Heatran, as well as remove other weather inducers, namely Tyranitar and Ninetales. Bulkier Grass-types such as Virizion and Tangrowth can take on Landorus, while Latios is immune to Earthquake and easily OHKOes Landorus with Surf. Politoed is an essential teammate due to its ability to summon rain. Volcarona also appreciates entry hazards, especially Stealth Rock, as without it, it cannot scratch Multiscale Dragonite, who would KO in return.</p>
