The main commander Pantlaza, Sun-Favor highlights the totally new and definitely-not-cascadey discover mechanic from LCI, though discovers not really a primary theme here

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Note that they still act the same as Pendulum Monsters, so you still can't send them from the field to the Graveyard as a cost, even if the card says "Send 1 Normal Monster you control to the Graveyard
Lightning Bolt We have to start with the King
Why, inflicting that on your opponent, of course