This recent round of previews showed off some versions of Tifa, Kain from Final Fantasy IV, Squall, Rinoa, and Angelo from VIII, Zidane (with one version being an alternate for competitive powerhouse Ragavan), and Vivi, and even a couple of versions of Firion from the divisive second entry
Players are only able to use this ability once per turn, however, with locations such as the McDuck Manor, Scrooges Mansion and RLS Legacy, Solar Galleon that means gaining an extra two lore on top of the lore theyll passively gain from the location cards and the lore Peter Pan, Lost Boy Leader, can get by questing
You dont need them all, but you should strongly consider having a few of them
Nonfoils are available at any other locations hosting the event
So, when Ardyn gets passed to you, it would make perfect sense to think that Boast is just the name of this insane activated ability that lets you stack your deck for one generic and a black per card