Dont be afraid to sacrifice Smokestack to its own ability if it becomes a liability
the first is composed of the pre- Dark Saviors "Vampires", which share a common pattern in milling the opponent's deck, by declaring a card type and having the opponent send 1 card of that type from their deck to the GY (inspired the first "Vampire" monster, "Vampire Lord"), with an added focus on the Xyz Summon of Rank 5 DARK Xyz monsters, with "Crimson Knight Vampire Bram" as their boss monster
R Rare Number F0: Utopic Draco Future X LIGHT Rank 0 [ WarriorXyzEffect ] ATK 3000 DEF 2000 3 Xyz Monsters with the same Rank, except "Number" monsters (This card's original Rank is always treated as 1
It is also a good point that it does not become a trigger such as "Dark World"
After errata, the fact that it's advanced makes it difficult to use its effects, but since it's Aqua, it's great that it can be used in Atlantis