While you could run this artifact creature just to protect your commander, it gets better with every additional legend
Anyone whos played their fair share of Humans can tell you that there are games where you draw the wrong half of your deck, run out of steam, or cant quite kill on Turn 4
As a Dog Cat, Rin and Seri, Inseparable may disrupt the theme of the deck thanks to generating cat tokens
He reminds the public that the winner will have the honor of having a Duel with the winner of the Battle City tournament and "Duel King": Yugi Muto
While The First Chapter Trove had a glossy print that sort of stuck to your hands, Rise of the Floodborn is just plain old matte
But since it's still a one-shot environment, it might be difficult to see play in the current environment where firepower is preferred