Three support cards specifically work for Kuriboh, not all Kuriboh monsters: The Flute of Summoning Kuriboh (which also works with Winged Kuriboh), Multiply, and Detonate (which also uses Kuriboh Tokens)
From Wikimon Categories: List of Cards BT-24 List of Option Cards (DCG) List of White Option Cards List of Single-Colored Option Cards List of Option Cards with 3 Usage Cost List of Cards with the Time Stranger Trait List of Cards with Delay Effect List of Cards Illustrated by Itohiro List of Cards Illustrated by Tonamikanji List of Rare Cards (DCG) List of Cards with First Parallel List of Cards with Block Icon 05
2 full-art foil promo cards featuring Pikachu (1 with Pokemon Center logo)
3 Dark World Structure Deck The Dark World structure deck was picked up by many due to its archetype's grimdark aesthetic, but more importantly, duelists who hoped the Gates of the Underworld structure deck from years back would get some support
In terms of card fit, the Azorius Sleeves are snug but not overly tight, preventing any damage to the card face while still making it easy to shuffle