welcome to rathe unlimited booster box Opening! This is from the second printing Unlimited Edition. Welcome to Rathe

If 'At the start of the battle' is stated in your Digimon's Appearance Requirements, and they have a special ability that states 'When this card makes its appearance', activate that special ability before activating other special abilities that state 'At the start of the battle' or 'during battle' (the person second to attack activates theirs first)

While this card is likely spiking for combo-based reasons, Umbral Mantles ability is unlikely the reason for the spike

The game will allow players to open at most two free packs of cards a day but does provide a way to boost and increase the chances of getting a rare card by using a premium currency

And it work with in-color friends, like other Cats or token pumpers

An opponent separates those cards into two piles