Keep in mind that it also sets up for Parallel World Fusion stuff (essentially use the banished monster + something else to Fusion Summon a new HERO).
banish your opponent's entire hand, and if you do, they draw the same number of cards
It is by no means perfect, but Fusion monsters now require the card Polymerization to summon, the alignment system is kicked to the curb, deck size is TCG accurates, and mechanics like side decks and tokens are actually implemented
But the milling effect of "Wightprince" is not just to assist "King" and its effects, but also to prepare all sorts of revival tools ranging from "Kinka-Byo" and the mentioned "Masked Chameleon" targetting specific members, to "Tri-Wight" swarming the board if we have a higher focus arround the original "Skull Servant" and other small Normal Monsters
If this card is destroyed in the Pendulum Zone: You can Special Summon 1 face-up "Speedroid" Pendulum Monster from your Extra Deck