You get an unblockable creature, a catch-all for cards entering graveyards, and the ability to sacrifice it to play a card belonging to an opponent that was exiled with a void counter on it
Generating extra creatures is great in Edward Kenway decks to make sure you always have stuff to crew with
Phyrexian Crusader also has protection from White and Red, keeping it safe from two colors with powerful removal suites
Remember, this is blue, there tends to be a ton of them, Packed of Negation for instance
all you need to know for Swinging Ship is you need to open the attraction, roll a 6-sided dice, and get a 2 or a 6 during your first main phase, and then you get an additional combat phase after your first one
The Mother of Machines is going to hurt us if we damage its controller, but like Heliod, its in the transformed guise, as a Saga, will she do some damage