This thread seems to be getting back on track so I'll share some interesting sets of common pokemon that eden and I tried (not gonna try and claim anything in a meta as old as this) continuing with the mon 4lom was talking about above
Rotom-Wash @ Leftovers
Ability: Levitate
EVs: 248 HP / 20 Def / 64 SpA / 88 SpD / 88 Spe
Modest Nature
IVs: 0 Atk
- Volt Switch
- Hydro Pump
- Will-O-Wisp
- Pain Split
This may not seem that revolutionary at first glance and well it isn't but can be a good example of how just by moving some evs around you can gain some flexibility while still keeping the core traits.
The main reason eden and I tried this was to get was to out speed lo ada sciz to burn or finish it off on a team that was a little weak to it and to give rotom more pressure vs thundy-t. As you can see in the calcs below this set still can be used to check the same thing just requires you to be a bit more delicate and in regards to keld rotom shouldn't be your only check regardless.
Unfortunately this set misses out on the guaranteed thundy ohko but being able to kill after rocks/substitute is still valuable since as we all know thundy can tear open a team quickly. The other benefits of running modest which I didn't realize at the time are being able to always break the niche subtect trans sub all of the time and being able to surprise a cheeky glisc stay in to potentially ohko it depending on their set.
252 SpA Keldeo Hydro Pump vs. 248 HP / 88 SpD Rotom-Wash in Rain: 127-150 (41.9 - 49.5%) -- 25.8% chance to 2HKO after Stealth Rock and Leftovers recovery
252 SpA Keldeo Secret Sword vs. 248 HP / 20 Def Rotom-Wash: 127-151 (41.9 - 49.8%) -- 26.6% chance to 2HKO after Stealth Rock and Leftovers recovery
+2 252+ Atk Cloyster Rock Blast (5 hits) vs. 248 HP / 20 Def Rotom-Wash: 225-270 (74.2 - 89.1%) -- approx. 6.3% chance to OHKO after Stealth Rock
252+ Atk Never-Melt Ice Mamoswine Icicle Crash vs. 248 HP / 20 Def Rotom-Wash: 84-100 (27.7 - 33%) -- guaranteed 4HKO after Stealth Rock and Leftovers recovery
48+ SpA Thundurus-Therian Thunder vs. 248 HP / 88 SpD Rotom-Wash: 177-208 (58.4 - 68.6%) -- guaranteed 2HKO after Stealth Rock and Leftovers recovery
64+ SpA Rotom-Wash Hydro Pump vs. 104 HP / 4 SpD Thundurus-Therian in Rain: 283-334 (87 - 102.7%) -- 18.8% chance to OHKO
64+ SpA Rotom-Wash Volt Switch vs. 8 HP / 100 SpD Heatran: 81-96 (24.9 - 29.5%) -- guaranteed 5HKO after Leftovers recovery
64+ SpA Rotom-Wash Hydro Pump vs. 244 HP / 124 SpD Gliscor: 342-404 (97.1 - 114.7%) -- 81.3% chance to OHKO
64+ SpA Rotom-Wash Hydro Pump vs. 244 HP / 252+ SpD Gliscor: 272-324 (77.2 - 92%) -- 31.3% chance to OHKO after Stealth Rock
Some other sets you could try are:
248 HP / 20 Def / 220 SpA / 20 SpD modest to get the ohko on thundy in rain and still retain the basic defensive capacities while sacrificing pretty much all your spdef
248 HP / 44 Def / 88 SpD / 128 Spe bold which allows you to out speed loom and potentially get a burn on it and live a banded bullet seed to limit how much damage it can do to your team
Landorus-Therian (M) @ Leftovers
Ability: Intimidate
EVs: 248 HP / 24 Def / 148 SpD / 88 Spe
Impish Nature
- Earthquake
- Hidden Power [Ice] / Stone Edge
- U-turn
- Stealth Rock / Stone Edge / Rock Slide
Im sure most of us have seen spdef lando running around in ss and wondered if it could work in bw, well this was my attempt. This set could be accused of doing to much at once which is honestly fair but its hilarious seeing a lando live a thundy/lati/zam/volc hit. I truely believe this could be made better. I just dumped a bunch of calcs so you could see whats potentially possible.
Hp ice still does decent damage vs lando chomp dnite being able to 2hko all (need sand up for dnite) but stone edge could also be an option as well rock slide if you are really worried about missing vs volc.
-1 252 Atk Choice Band Terrakion Stone Edge vs. 248 HP / 24+ Def Landorus-Therian: 159-187 (41.7 - 49%) -- 19.1% chance to 2HKO after Stealth Rock and Leftovers recovery
-1 252+ Atk Sand Force Excadrill Iron Head vs. 248 HP / 24+ Def Landorus-Therian in Sand: 126-148 (33 - 38.8%) -- 99.9% chance to 3HKO after Stealth Rock and Leftovers recovery
48+ SpA Thundurus-Therian Hidden Power Ice vs. 248 HP / 148 SpD Landorus-Therian: 320-380 (83.9 - 99.7%) -- 75% chance to OHKO after Stealth Rock
252 SpA Alakazam Hidden Power Ice vs. 248 HP / 148 SpD Landorus-Therian: 320-380 (83.9 - 99.7%) -- 75% chance to OHKO after Stealth Rock
252 SpA Choice Specs Latios Surf vs. 248 HP / 148 SpD Landorus-Therian: 316-372 (82.9 - 97.6%) -- 68.8% chance to OHKO after Stealth Rock
252 SpA Latios Draco Meteor vs. 248 HP / 148 SpD Landorus-Therian: 232-274 (60.8 - 71.9%) -- guaranteed 2HKO after Stealth Rock and Leftovers recovery
+1 252 SpA Volcarona Fire Blast vs. 248 HP / 148 SpD Landorus-Therian: 306-361 (80.3 - 94.7%) -- 50% chance to OHKO after Stealth Rock
0 Atk Landorus-Therian Earthquake vs. 4 HP / 0 Def Terrakion: 324-384 (100 - 118.5%) -- guaranteed OHKO
0 Atk Landorus-Therian Earthquake vs. 0 HP / 4 Def Excadrill: 444-524 (122.9 - 145.1%) -- guaranteed OHKO
0 Atk Landorus-Therian Stone Edge vs. 104 HP / 144 Def Thundurus-Therian: 222-262 (68.3 - 80.6%) -- 43.8% chance to OHKO after Stealth Rock
0- SpA Landorus-Therian Hidden Power Ice vs. 240 HP / 0- SpD Landorus-Therian: 252-300 (66.4 - 79.1%) -- guaranteed 2HKO after Stealth Rock and Leftovers recovery
0- SpA Landorus-Therian Hidden Power Ice vs. 0 HP / 0 SpD Garchomp: 220-260 (61.6 - 72.8%) -- guaranteed 2HKO after Stealth Rock
0- SpA Landorus-Therian Hidden Power Ice vs. 0 HP / 4 SpD Multiscale Dragonite: 94-112 (29.1 - 34.6%) -- 5.2% chance to 3HKO
Obviously these shouldn't replace the standard sets which are the standard for a reason but you should be open to making small adjustments similar to these sets when building to add another dimension to your teams.
Cheers