#9.92
Blastoise/Gastly
9.92
waterpoison
#92.9
Gastly/Blastoise
92.9
ghostwater

62(+16)
HP
46(-16)
51(-16)
ATK
67(+16)
53(-23)
DEF
76(+23)
90(-5)
SP.ATK
95(+5)
81(+23)
SP.DEF
58(-23)
79(+1)
SPEED
78(-1)
416(-4)
TOTAL
420(+4)

Regular
Levitate: Immune to Ground-type moves, Spikes, Toxic Spikes, and Arena Trap.
Torrent: When it has 1/3rd or less max HP, Water-type moves have 1.5x power.
Hidden
Levitate: Immune to Ground-type moves, Spikes, Toxic Spikes, and Arena Trap.
Rain Dish: Restore 1/16th max HP each turn during rain.

x2
electricgroundpsychic
darkelectricghostgrass
x2
x1
darkdragonflyingghostgrassnormalrock
dragonfairyflyinggroundpsychicrock
x1
x1/2
bugfairyfightingfireicepoisonsteelwater
bugfireicepoisonsteelwater
x1/2
x0
-
fightingnormal
x0

#7
Squirtle
7
water
Lv.16
#8
Wartortle
8
water
Lv.36
#9
Blastoise
9
water
#92
Gastly
92
ghostpoison
Lv.25
#93
Haunter
93
ghostpoison
LINKINGCORD
or Lv.40
#94
Gengar
94
ghostpoison