Viashino Skeleton has an off-color activation cost which requires you to discard a card to regenerate it and its numbers are very weak
There's only a handful of reasons why you use this card: It's generic, it's cheap to afford, you have room in your extra deck, and it's 2600 ATK gets over a lot of level 5-8 monsters
Use penny sleeves for: Every raw card that enters the collection, no exceptions Sorting and organizing out of product breaks The first layer before a toploader, semi-rigid holder, or one-touch Binder storage where you want a buffer between the card and the page Any card going to a grading company (PSA, BGS, SGC, and CGC all require it) Where they stop being enough: anywhere the card needs structure, pressure resistance, or long-distance travel
Latias is classified as a Promo card in the PROMO-A set
move that monster you control to your Main Monster Zone it points to, then, you can send cards from the top of your Deck to the GY equal to its Link Rating