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
One fan known as @blights_trinity comments saying OK I REALLY want one of these now, while another called @Scorbunns adds welp thats my chase card from this set! as well
This can be a powerful effect if you need to filter cards and have a use for the discard, but it can also wind up leaving you down on cards in circumstances where youre unable to capitalize on this type of effect
If you cant remove it, its all about nonartifact mana sources and Arcbound Ravager