Most combo decks can take advantage of at least one aspect of the cards unique functions
Though the likes of Bilbo, Retired Burglar and Gandalf, Friend of the Shire grace the scene, powerful mana dork Delighted Halfling is likely the sleeper hit here
The fact that you double up your mill immediately turns things like a kicked Maddening Cacophony or a single swing with a Terisian Mindbreaker or a Fleet Swallower into a kill, milling your opponent's library out immediately
Honestly, I really don't think it matters
The oversized cards aren't cut to as high a standard as regular cards, so some cards could understandably be identified. Verive shared his deck makeup on Twitter, revealing a card list that included four Pikachu V, three Meowth VMAX and jumbo-sized cards for Pokmon Sword and Shield starters Grookey, Scorbunny and Sobble and their evolutions
If it resolves, you'll follow its instructions and the targeted opponent will mill half of their library