Note that the cards are mirrored in their cost and activation
It forces you to, at first, come up with a good combat plan without being able to use the best cards right away
The difference between cheap generic dividers and a real organizer set comes down to three things: how many sorting categories the set actually covers, whether the dividers fit your storage box without wobbling, and whether you have to write your own labels or the dividers come pre-labeled with the right categories
Edit: Forgot the darkness resistance, which is typical for fairy-types
He buffs allies, then turns that into card draw, which is basically what youd expect from the self-centred brother of Mufasa
The other thing you can do is play cards that allow you to exile cards from your library and play them from outside of your hand