japanese pokemon booster pack Future Flash The theme of Super Electric Breaker is the inclusion of many Terastal Pokemon Acrylic Japanese (old Versions)

Pokmon Astral Radiance cards are valued not only for their in-game functionality but also for their rarity, artwork, and collector appeal

Note that this is totally different from the mutate mechanic introduced in Ikoria: Lair of Behemoths

EDIT: It was quickly pointed out to me after the article/video was released that a better comparison to Mangara is Kraum, Ludevic's Opus, which share the most important trigger

Series Pokemon Card Old Back Abra Lv.14 1 Seller 62200 Goods Trading card Brand Pokemon Cards Series number of cards 1 card Condition Used Shipping Days 12 Days Shipping fees 4,000JPY Shipping fee may vary depending on the destination country