Though Ralph himself is making his debut as a character in Shimmering Skies, its not his first appearance in Lorcana
5 Shadow of the Enemy Yes, Shadow of the Enemy requires a lot of mana to make work, but there are plenty of ways to get a lot of mana even in Tales of Middle-earth (Smaug would like to give you 14 treasure tokens, just as an example)
Puresteel Paladin allows you to equip for free as long as you control at least three artifacts, while Crackdown Construct gets +1/+1 until the end of turn whenever you activate an artifact's non-mana ability
Its overcosted in comparison to analogs like Village Rites and Deadly Dispute, and being a sorcery takes away a lot of interplay that cards like this usually have
For some, this might mean giving characters cards that simply never had them before
The same is true for lightly played copies