[EnerPrime]

Let's see, I've got:

Kamen Rider:
Kamen Rider 1 (The First)
Kamen Rider 2 (The First)
Kuuga Mighty form
Ryuki
Ryuki Survive
Faiz
Kaixa
Kabuto
Gatack
Den-O Liner form
Zeronos
New Den-O
Ixa
Decade
Decade Complete
Diend
Diend Complete
W Cylcone Joker
W Cylcone Joker Extreme
W Cyclone Cyclone
W Joker Joker
Accel
OOO TaToBa
OOO GataKiriBa
OOO LaToraTah
OOO SaGoZo
OOO TaJaDor
OOO ShaUTa
OOO PuToTyra
Birth
Fourze Base States
Fourze Cosmic states
Meteor
Meteor Storm
Nadeshiko
Wizard Flame Dragon
Wizard Hurricane Dragon
Wizard Water Dragon
Wizard Land Dragon
Wizard Infinity
Beast

Power Rangers/ Super Sentai:
MMPR Red Ranger
MMPR Pink Ranger
MMPR Green Ranger
MMPR White Ranger
Bouken Red
Shinken Red
Shinken Gold
Gokai Red
Gokai Blue
Gokai Yellow
Gokai Green
Gokai Pink
Gokai Silver
Red Buster
Blue Buster
Yellow Buster

That's 57 figuarts collected in less than a year.