It's something of a self-contained engine, though as a mere 2/2 it'll need help in combat, and its attack trigger requires exiling a specific card type
Sure, there will be situations when you dont need a Shatter, but rather than cycle it for the next card in your deck, you can cycle it for one from an opponents deck
5 Obeka, Splitter of Seconds Operates on a Whole New Axis Untap, Upkeep, Upkeep, Upkeep, Draw Obeka has distinguished herself as an Ogre of unique design sensibilities, with her previous iteration possessing the unique ability to end the current turn with her activated ability, circumventing potentially lethal "end step" triggers
Those abilities can be put on the stack in either order (if you control them both), and they'll both resolve before the spell that caused them to trigger
If a card is rebalanced, its rebalanced version is all you can play in Historic , regardless of whether the card was nerfed or buffed