56 x 87 card sleeves Ultra Pro Board Game Lite: Standard American 87mm (100) Most Standard Sleeves are 40 microns thick Standard USA Game Size Sleeves

When this card is Xyz Summoned, you can Add 1 Level 6 or lower Beast or Beast-Warrior monster from your GY to your hand, and if you do, you cannot activate monster effects with the same name as the added card until the end of this turn

It doesnt matter with some commanders, but commanders with powerful abilities like Omnath, Locus of Creation and once-per-turn triggers like Rashmi, Eternities Crafter that stack

Moving ahead, Nihilego is definitely going to remain a mainstay in multiple decks

Whats even better is that some Rooms are actually removal, such as Cramped Vents // Access Maze, Glassworks // Shattered Yard, and Restricted Office // Lecture Hall