New Chess Variant Idea

Here's what you need to know: Starting Position: Empty Board All pieces on the Option Pile (Refer to vocab list below for meaning) Brief Rules: Each turn consists of two parts: Placing & Moving Placing: You place a piece from the "Option" Pile and put it in the chess board, king must be first on your first turn. Moving: Move a piece on what's available in the board, standard chess rules of moving are apply. Game ending is the same as per the standard chess rules. Vocab: Option Pile - place where the pieces are about to be chosen to the board, normally on the right side from whites perspective. Discard Pile - Pieces go after they get captured. If you want to know more about the variant, please comment down below. Thanks!