Each of the Structure Decks is built around one, and by building your deck around a specific group of monsters, you can take it from a pile of cards thrown together into a well-oiled and optimized dueling machine
If you cast a spell this way, that artifact enters tapped
If this Synchro Summoned card in its owner's control is destroyed by an opponent's card: You can Special Summon 1 "Trishula, Dragon of the Ice Barrier" from your Extra Deck or GY, its ATK becomes 3300, then halve the ATK of any face-up monsters your opponent currently controls, also negate their effects
While this Grimmsnarl V isn't immensely exciting, its shiny color palette makes it a more desirable card that will likely keep a solid price over the more common cards
Cards Dripping with Vampiric Decadence
It can be removal, it can dodge effects targeting your monsters, and it can summon Sistart or Glassouffle for their utility effects