User blog comment:RaijinSenshi19/Buddyfight Daily Decklist Development - Deja Vu Transform Mechanic/@comment-12663923-20160720214720/@comment-25600444-20160720222139

Unless it's absolutely neccissary or you draw into a copy, I don't see why you should discard the Belt.

It's both the only means of Transforming into the Caardians and a psuedo-Searcher for them as well.