“Shinra” has become “Sylvan”, with the only full name confirmed being “Sylvan Flowerknight” for “Shinra Knightcissus”. The new Gravekeeper’s boss is “Gravekeeper’s Oracle”, while the Spell and Trap support are “Hidden Temples of Necrovalley” and “Imperial Tombs of Necrovalley”, respectively.
Other confirmed names are “Bujin Arasuda”, “Ghostrick Dullahan”, “Mobius the Mega Monarch” and “Chirubimé, Princess of Autumn Leaves”.
Sources:
http://the808blog.com/yugioh-tcg/2503
https://yugiohblog.konami.com/articles/?p=5738
