The subtheme for the deck would be hardcore ramp, heralded by Ramos, Dragon Engine
The drawback, of course, is your opponents get the same benefits as you
Rules Manager : Theoretically yes, but
This is no four-of, but it could still see play, especially once Thragtusk is no more
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