mtg collectors booster box - Avatar: The Last Airbender Discover your true self by crossing the boundary of eternal day into eternal night and rise triumphant as a master of order and chaos. Magic the Gathering Final Fantasy

Subsequently, when Ultra Magnus, Tactician attacks, you get to put an Artifact Creature onto the Battlefield, for free and attacking

The Marineford theme gives him stronger narrative value than a random Navy support card, and purple Navy support could keep the card relevant beyond pure collecting

If excess damage would be dealt to that creature this way, instead that damage is dealt to that creature's controller and you convert Megatron

Its not uncommon to see this Mardu commander paired with goad cards that drive your opponents creatures against each other and keep the pressure off you as you plot the tables downfall