Most events in the game will be accompanied by special event cards.
These cards can be purchased directly through links provided in the in-game shop.
It is not mandatory to have event cards to participate in events, but event cards provide exclusive benefits to their owners during the events they are associated with.
New events may be accompanied by new cards that will replace previous event cards.
Event cards are limited edition.
It is important to keep an eye on the game's news releases and new event announcements for details on these special cards.