#220.233
Swinub/Porygon2
220.233
icenormal
#233.220
Porygon2/Swinub
233.220
normalground

61(-12)
HP
73(+12)
70(+10)
ATK
60(-10)
73(+17)
DEF
56(-17)
55(-25)
SP.ATK
80(+25)
51(-22)
SP.DEF
73(+22)
56(+3)
SPEED
53(-3)
366(-29)
TOTAL
395(+29)

Regular
Oblivious: Immune to Infatuation and Taunt.
Trace: Upon entering battle, copy a random foe's ability.
Snow Cloak: 1.25x evasion in hail and doesn't take hail damage.
Download: Upon entering battle, ATK rises one stage if the foe has less DEF than SP.DEF. Otherwise SP.ATK rises one stage.
Hidden
Thick Fat: Takes 0.5x damage from Fire and Ice-type moves.
Analytic: Moves have 1.3x power when attacking last.

x4
fighting
-
x4
x2
firerocksteel
fightinggrassicewater
x2
x1
bugdarkdragonelectricfairyflyinggrassgroundnormalpoisonpsychicwater
bugdarkdragonfairyfireflyinggroundnormalpsychicsteel
x1
x1/2
ice
poisonrock
x1/2
x0
ghost
electricghost
x0

#220
Swinub
220
iceground
Lv.33
#221
Piloswine
221
iceground
Lv. + Ancient Power
#274
Mamoswine
274
iceground
#137
Porygon
137
normal
UPGRADE
#233
Porygon2
233
normal
DUBIOUSDISC
#275
Porygon-Z
275
normal