xy booster box opening Roaring Skies which means they cant attack that turn Pokemon XY evolutions booster box

This not only gives you their revival effects, but you can tribute and banish them as cost for an omni negate

C Common SE Secret Rare Master of Oz X EARTH Level 9 [ BeastFusion ] ATK 4200 DEF 3700 "Big Koala" + "Des Kangaroo" C Common VWXYZ-Dragon Catapult Cannon X LIGHT Level 8 [ MachineFusionEffect ] ATK 3000 DEF 2800 "VW-Tiger Catapult" + "XYZ-Dragon Cannon" Must first be Special Summoned (from your Extra Deck) by banishing the above cards you control

not that impressive

This is perhaps the simplest indicator whether a pack and it cards are of US or Japanese printing

Four Commander decks from October 2022, no booster product, no reprints since