It helps a lot that the set is also a huge amount of fun to play, and being able to enjoy building decks around the mechanics in either a draft or Commander is a surefire fun time for everyone involved
The beauty is it isnt an end-of-turn effect, so the copied artifact can be used for multiple turns
Other cards found in the Ursulas Return set that feature this new approach to the Shift keyword include Flotsam & Jetsam, Entangling Eels - which a five strength/five health card that requires two cards to be discarded - Diablo, Devoted Herald, a card that requires players discard an action card, Li Shang, Valorous General - with players needing to discard a character card to Shift it in - Olaf, Carrot Enthusiast, a Sapphire card that can be Shifted by discarding an item card, and steel card Aladdin, Brave Rescuer: which requires that a location card be discard for it to be Shifted
All Pokmon 4 have "4" at the end of their name in order to differentiate them from other Pokmon (curiously, the English cards still use to depict the 4)