yugioh duelist revolution booster box Konami Yu-Gi-Oh! OCG ADVANCE Following their introduction in Super Starter duelist revolution booster box YuGiOh

Toploaders are plastic sleeves that provide extra protection against bending and damage

Read more If you want to read up on the topic as a introduction, you can read this (older) but interesting article by wizards them self can be found here

Assimilate - When you assimilate, you take control of a creature or put a creature card onto the battlefield under your control, then a +1/+1 counter is put on that creature, and it becomes a Borg artifact creature and loses its other creature types

Inside each booster pack, you will find 6 official Japanese cards , randomly selected from the OP-15 pool: Leader cards key figures that lead your deck and unlock powerful synergies