Though, unfortunately, other custom cards won't mix as naturally, for Digimon fans who want a focused experience, this is the mod to use
The notorious deck was built around using Yata-Garasus ability to force the opponent to skip their draw phase after attacking, eventually leading to an endless cycle where an opponent could be forced to skip their turn every turn due to a lack of cards in their hand, allowing the Yata-Garasu player to whittle their life points to zero without opposition
At the start of the Damage Step, if a "Nekroz" monster you control battles an opponent's face-up monster that was Special Summoned from the Extra Deck: Destroy that monster.
It will be reprinted in Ascended Heroes however, so expect a dip in price once singles from that set become wildly available
While Dark Patch was a menace in the X&Y era, with its reprint at the end of the Sword & Shield era, it floated around without a Darkness-type Pokemon to make good use of it