op10 booster box One Piece Trading Card Game: Royal Blood Pack OP-10 (12 Cards) a colorful mix One Piece: Royal Blood Sleeved

EXFO-JP051 Linkage Hole Normal Spell Card You can only activate 1 card with this cards name per turn

Whenever a creature you control with myriad attacks, for each opponent other than the defending player, you may create a token that is a copy of that creature to attack that opponent or a planeswalker that opponent controls

C Common Spirit Message "I" X SPELL Continuous Can only be placed on the field by the effect of "Destiny Board"

order: 5000 pieces Hangzhou Leshiny Imp&Exp Co., Ltd

Api by YGOProDeck which could allow me to implement a feature to load .ydk deck files to do something similar to what you've suggested