So, right now I only have white 2 on a 3DS, therefore i can only standard abuse wild and stationary pokemon (including legendaries and hidden grotto).
Here's a list of the pokemon I RNG listed somewhat chronologically:
1. Banette
ability: frisk
nature: sassy
IVs: 31, 31, 31, 29, 31, 31,
notes: first RNG pokemon following youtube guides.
2. Reshiram
ability: turboblaze
nature: timid
IVs: 31 22, 31, 31, 31, 31,
notes: second RNG pokemon, fortunate that it had timid although did use a synchronize timid lead
3. Kyurem
ability: pressure
nature: timid
IVs: 31, 22, 31, 31, 31, 31,
notes: third RNG pokemon
4. Chatot
ability: big pecks
nature: sassy
IVs: 30, 30, 0, 13, 2, 17,
notes: fourth RNG pokemon. more a test of hidden grotto generation. needed one for pid manipulation
5. Dragonite
ability: multiscale
nature: calm
IVs: 31, 22, 31, 31, 31, 31
notes: first nature manipulated RNG pokemon using Chatot (and one breed from it as well).
6. Poliwhirl
ability: swift swim
nature: modest
IVs: 31, 22, 31, 31, 31, 31
7. Eevee
ability: anticipation
nature: bold
IVs: 31, 22, 31, 31, 31, 31
notes: first gift pokemon manipulated (from Amanita)
8. Eevee
ability: run away
nature: timid
IVs: 31, 22, 31, 31, 31, 31
notes: first pid manipulation of RNG of wild pokemon
9. Horsea
ability: swift swim
nature: naughty
IVs: 31, 31, 31, 29, 31, 31
notes: first successful fishing RNG
10. Shellder
ability: skill link
nature: docile
IVs: 31, 31, 31, 29, 31, 31
notes: wanted a jolly one, but according to rngreporter would take over a couple hundred pid frames (since luvdisc is so much more common)
11. Corsola
ability: regenerator
nature: jolly
IVs: 31, 31, 31, 29, 31, 31
notes: hidden grotto for use of breeding with shellder for rock blast. However breeding rng doesn't work for black and white 2, so plan was foiled.
12. Cressalia
ability: levitate
nature: bold
IVs: 31, 22, 31, 31, 31, 31
13. Heatran
ability: flash fire
nature: timid
IVs: 31, 22, 31, 31, 31, 31
14. Ditto
ability: imposter
nature: adamant
IVs: 31, 31, 31, 29, 31, 31