That goes very well with cards like Laelia, the Blade Reforged, or Prosper, Tome-Bound if youre branching into other colors
As a note, all the information above holds for 40 of the 41 legendary creatures in the set
Lumina, Twilightsworn Shaman X DARK Level 3 [ Spellcaster / Effect ] ATK 1000 DEF 1000 Once per turn: You can banish 1 "Lightsworn" monster from your hand or GY, then target 1 of your banished "Lightsworn" monsters, except "Lumina, Twilightsworn Shaman"
You could build a power board: a 15-20 card sideboard that can slot into a deck specifically to change the power level only
Even in the perfect deck you will still have those instances where you lack a good target and your Charge is dead
Zombies are great because there are a few lords that are simply playable without further support