Even if Edward Kenway leaves the battlefield, players can play those cards as long as they remain in exile
Ideally you want to win the same turn that you cast Samut, which means you need to Start Your Engines good and early for his cost reduction, ramp hard, and have some non-trivial removal so you survive the early game
Engines are a select combination of cards that can be played into a strategy in a very synergistic way
Considering that the original Masaru Koson was a cheat character of the highest grade, it is a suitable effect
Almost every creature in the deck has flying, something that its Commander Isperia, Supreme Judge shares
Similarly, Lysandre's Trump Card ensure that the game will never end by continuously cycling cards back into your library