MTG Unfinity is the fifth Un-set. These are not your usual, serious MTG sets. Instead, they are full of ridiculous cards and absurd interactions, which often break the limits of a regular MTG game.
If you’re a fan of foils and alternate art cards, then you’ll want to get your hands on an Unfinity Collector Booster Box. Each one of them contains 12 Collector Boosters, plus a special promo card — a Box Topper.
The price is quite high, but you do get a ton of exciting cards.