Shaddoll decks are incredibly consistent, with plenty of powerful support given to them thanks to their fan-favorite status
Not only was it the perfect tonic to the silliness of Aetherdrift, it also offered plenty of valuable cards from dragons, to behemoths, to much, much more
A large group of fans managed to take the thing down over the course of more than 24 hours, and then Square Enix patched the game to make the method unusable
Whatever form they take, the heart of all control decks is the same: card advantage, inevitability, and defense
Therefore, when multiples of your Digimon with the [Free] trait would be deleted other than by one of your effects, you can only use this card's effect to digivolve 1 of those Digimon