yugioh rainbow dragon card Yu-Gi-Oh! - Malefic YMP1-EN005 Secret Rare If there is no face Ultimate Crystal Rainbow Dragon Overdrive"

The good lifegain cards like Markov Purifier are still good regardless, but roleplayers like Traveling Minister and Heron of Hope dont play well alongside cards like Fleshtaker and Novice Occultist

Koga will increase the longevity of Darkness-type decks and should be used strategically

The card Invisible Stalker isnt precisely depicting the same characterit almost looks like Bud Cooks central figure is enjoying a night of prowling while invisible

Cards like Drumbellower allow you to get multiple activations

Overall, this deck can borrow many creatures from other archetypes such as Izzet Pirates or mono-white +1/+1 counter aggro

How to track this : Follow major tournament results and watch which decks are winning