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It wont help you with nightbound werewolves, but since it has to be night for them to stay in that form, it can flip the other types of werewolves and keep them transformed

And a lot of the time it shows up on pretty unimportant cards like Fen Stalker

If the copied permanent is a token, the token that's created copies the original characteristics of that token as stated by the effect that created that token

Even a card like Greater Good can be turned into a self-mill piece so long you have enough creatures to sacrifice and cards to discard, though it might not have been on your radar in regards to self-milling before

Shadowmage Infiltrator No card embodies a player like Shadowmage Infiltrator, although Conflux also gives us Traumatic Visions nicely