Whoever controls the presidency and Senate can do whatever they want with the SCOTUS, no matter what the last guy did.
This would require court packing, and court packing would require both houses of Congress plus the presidency. And while it's technically a possibility with that, it would still be a long shot.
That's just nominating a Justice, and it requires an opening.
Court packing is increasing the size of the Supreme Court to create those openings. Increasing the size of the Court can be done by statute, but passing a new statute requires control of both the House and Senate.
This would require court packing, and court packing would require both houses of Congress plus the presidency. And while it's technically a possibility with that, it would still be a long shot.
Court packing doesn't need the House. It's literally just nominating a new Justice and having the Senate approve.
That's just nominating a Justice, and it requires an opening.
Court packing is increasing the size of the Supreme Court to create those openings. Increasing the size of the Court can be done by statute, but passing a new statute requires control of both the House and Senate.