The Collector Booster gives players immediate access to the coolest, most desirable cards from The Lost Caverns of Ixalan. Each Collector Booster is packed with the set's most exciting offerings. It's a supercharged booster experience. In The Lost Caverns of Ixalan, your players will face an adventure like never before, discovering long-lost ruins, ancient civilizations alive and well, and fan-favorite creatures running rampant. Dig into the heart of Ixalan with a piece of prehistory for every play style.