This is just inherently true for many creatures, because even better than one strong creature is two strong creatures
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
Its not overly difficult to untap and spend three mana during your first main phase after your opponents have dedicated all of their best creatures to swinging at other players, which means that Split Up is likely to be an instant classic of the board wipe genre
Next we do a bit of Adobe Photoshop to fit the art onto the frame