The other key piece of tech would be Ashnod's Transmogrant which I see you have in the maybeboard
Search the card name in Japanese (e.g., SR) and filter by sold items to see the true market clearing price
An opponent chooses one of them
(2024-09-20) If your opponent discards a card while you control Leyline of the Void, abilities that check whether a card is discarded (such as Hollow One, or a madness ability of the discarded card) still work, even though that card never reaches that player's graveyard
It's particularly nasty when your creatures already want to die or when you're digging for a combo piece
Giratina Ex Set Get Promo specifications: Pros Extremely rare and valuable Gorgeous, sparkly art Cons Comes with a very high price tag Copies only made in Japanese Unsurprisingly, the most expensive Pokmon Ex cards are all promotional cards