pokemon trading card game journey together TCG (SV09) Booster Box Team up with N’s Zoroark ex Pokémon TCG: Journey Together Sleeves

That's one example from Modernbut it's applicable everywhere

What Rarities can I trade in Pokemon TCG Pocket

The MAGIC: THE GATHERINGFINAL FANTASY 105ct APEX Deck Protector Sleeves are made with our new easy-shuffle formulation and feature vibrant artwork on a textured back. Archival-safe polypropylene materials ensure you can sleeve your cards with confidence, and the gloss clear front allows your foil cards to shine! Sized for standard size trading cards measuring 2.5 in. x 3.5 in

This means you have a sacrifice effect in the Command Zone that you can be ensured of getting for your sacrifice matters (10th most-played archetype on EDHREC.com) and Aristocrats (6th) that cares about this ability