Ancient Guardians - Booster Box (1st Edition)Set: Ancient Guardians Sealed Release Date: 2021 05 05 Ancient Guardians unearths powerful new monsters in Spring 2021! This 60 card booster set introduces 3 brand new strategies along with older cards that enhance them. As in Toon Chaos and Genesis Impact, 15 cards from the set will also be available as Collector's Rares, and these will include a mix of new cards and older favorites. A new Graveyard based strategy rises to the occasion! Ancient