you should pair this card with small creatures that enter the battlefield and draw cards or that have good abilities, like flying and double strike
Creature - Human Shaman Barbarian Color tag templates(None) Goblin Spymaster First strike At the beginning of each opponent's end step, that player creates a 1/1 red Goblin creature token with "Creatures you control attack each combat if able." Creature - Goblin Rogue Color tag templates(None) Keiga, the Tide Star Flying When Keiga dies, gain control of target creature
Three of these cards depicting a Shiny are among the eight Special Illustration Rares which are the sets rarest cards
Most of them include any zombie (but ones with ETB abilities are your best choice), Ashnod's Altar, and Rooftop Storm to create infinite mana and exploit any ETB abilities the zombie might have
Most of the cards are Low-ATK Normal Monsters, but occasionally he can give you powerful cards, like cards only obtainable when you complete Duelist 1's story, like "Dark Strike Fighter", "Thought Ruler Archfiend" or "Gigaplant"
Cloudstone Curio is a solid pull, valued at around $16, as is Liliana, Dradhorde General, with a selling price of around $14