Yugi needed to use an Egyptian God card to win the duel, in order to force Yami Bakura to quit the match.
Then add, from the Deck to your hand, 1 monster that has exactly 1 of the same Type, Attribute, Level, ATK or DEF as the monster chosen from your Deck, and banish the card chosen from the Deck face-down
Players could make things up to retain their indestructibility - which was fine, since these were merely collectibles never designed for legal use in any official capacity
Going into this build, I asked myself questions for what I needed to get done

This deck contains the following cards:Extra Deck (x8):Lunalight Liger Dancer (x1) - Super RareLunalight Perfume Dancer (x1) - Super RareLunalight Sabre Dancer (x3) - CommonLunalight Leo Dancer (x3) - CommonMonster (x17):Lunalight Tiger (x3) - CommonLunalight Silver Hound (x3) - CommonLunalight Crimson Fox (x2) - CommonLunalight Kaleido Chick (x2) - CommonLunalight Yellow Marten (x1) - CommonLunalight Blue Cat (x1) - CommonLunalight Black Sheep (x1) - CommonLunalight Purple Butterfly (x1) - CommonLunalight White Rabbit (x1) - CommonKing of the Swamp (x2) - CommonSpell (x15):Lunalight Masquerade (x3) - CommonLunalight Fusion (x3) - CommonLuna Light Perfume (x3) - CommonFire Formation - Tenki (x3) - CommonFoolish Burial (x1) - CommonPolymerization (x1) - CommonFuture Fusion (x1) - CommonTrap (x8):Lunalight Serenade Dance (x3) - CommonFinal Attack Order (x3) - CommonNecro Fusion (x2) - Common This deck contains the following cards: Extra Deck (x8): Monster (x17): Spell (x15): Trap (x8):