Super Sentai and Ponies.

Twilight Sparkle would like Mahou Sentai Magiranger because they are magic.
Fluttershy would like Dai Sentai Goggle-V because they do Rythmic Gymnastics.
Applejack would like Chikyuu Sentai Fiveman because they are a family and plant stuff.
Rainbow Dash would like Choujin Sentai Jetman because they are all about Flying.
Pinkie Pie would like Gekisou Sentai Carranger because they are all about the laughs.
Rarity would like Tokusou Sentai Dekaranger because they are all about style.