Not buying ATM.
Prototypes:
Earth Pony Rainbow Dash
Sweetie Blue
Minty A
Glitter Applejack / Rainbow Dash / Pinkie / Fluttershy / Rarity
Playful Ponies:
Cupcake
Dewdrop Dazzle
Feathermay
Flitterheart
Honeybuzz
Snowcatcher
Twinkleshine
Cherry Pie
Diamond Rose
Rainbow Flash
Ploomette (int. version)
Sweetie Swirl
Skywishes
Star Swirl
other g4 stuff:
Glittery Funko Cadence
Glittery Funko Trixie
G3:
Art Pony (Underwater)
Beach Belle
Bubblecup
SLH Dream Blue
Silver Glow
Silver Rain
Sunrise
Winter Ice
Comic Con Pony Power
Dream Drifter
Jade Garden
Jingle Jangle
G1:
Nightglider
Baby Princess Sparkle
Twilight
SS Twilight
Yum Yum
Honeycomb
Posey
Cool Breeze
Barnacle
Blueberry Baskets
Bright Eyes
Nightlight
Princess Taffeta