digimon bt13 booster box Card Game - BT-13 - Versus Royal Knights - Omnimon - (Secret Rare) and will be highly desired by all players! Digimon Card Game - [BT13]

I hope we see more special appearances of the Connive mechanic in the future

The five key "Atlantean" monsters are "Neptabyss, the Atlantean Prince", "Atlantean Dragoons", "Mermail Shadow Squad" (which is always treated as an "Atlantean" card), "Atlantean Heavy Infantry", and "Atlantean Marksman"

During the Main Phase (Quick Effect): You can banish up to 3 DARK monsters from your GY, then target that many cards on the field

You can Tribute 1 Plant monster

A proxy cube is a cube made from printed play pieces so you can draft a curated environment without chasing down every original card

Also, it's a Cat (cousin of Brimaz?)