yugioh legendary duelist booster box Duelists Season 2 BLASTER 2 Packs More Konami new cards in Legendary Duelists Yu-Gi-Oh! Chaos Origins Booster Box

Its a perfect addition to your Arceus ex build

It would be a great sideboard option for combo decks and stuff like Grixis Control, but the easiest, most natural home would probably be in fair black decks like Golgari or Jund

Leylines are almost always horrible in Limited because they have ultra narrow effects that aren't worth a card, and that's definitely the case here

Mana Crypt, though stupid powerful, is the very epitome of a casual card you can use it to cast big dumb spells as much as you can to race to an early win

Additionally, racers use multiple forms of transportation, such as Vehicles, creatures, and elements, to reach the finish line