The Book of Vile Darkness actually requires three MacGuffins
One user on Instagram summed it up best: "The world had peaked." In other Pokmon news, the stop-motion animation company behind Wallace & Gromit, Aardman, is working on a Pokmon project due out in 2027, and Pokmon TCG Pocket is making bucket loads of money, more than the box office of some movies.
I like to see personality in teams
If you were worried about safely tapping Kilo, stations, convoke, and untapping cards like Manifold Key and Unwinding Clock, can solve that problem
Their true importance comes in the fact that they are also triggered if they're sent from the Deck to the GY, such as with the effect of the archetype's core Fusion Summon Spell, "Shaddoll Fusion", which can use monsters in the Deck as Fusion Materials: sending "Shaddoll" monsters directly from the Deck to the GY provides consistent card searches, and sending multiple "Shaddoll" monsters with single cards outright generates advantage instead of merely offsetting costs