Shadowverse

It seems they will be adding a lot of new cards to the deck; this whole group of knights doesn't really fit with the other crafts.

Dragon knights. And dragoncraft, as we all know, is stylistically a type of swordcraft, with the added bonus of various dragons and other monsters. Especially in terms of leaders.

Added 2 minutes later
By the way, I'll be disappointed if there isn't a legendary card featuring Sierra. And she should be as overpowered as possible. Also, we need a card featuring the protagonist. By default, Gran, and after his evolution, Zita.