In addition, your Disney Lorcana deck must only have cards from one or two different ink types
Protection cards like Coalition Honor Guard, Benevolent Bodyguard, and Shelter can help protect your unstoppable creature, and even if your creature is bested Monk Idealist can bring the Armadillo Cloak back and provide a body for it
Add to it that you can play removal in a mono-blue deck and you get a hell of a card
If, during your declare attackers step, one of the permanents you gained control of this way that's a creature is tapped or is affected by a spell or ability that says it can't attack, then it doesn't attack
One underappreciated option is to name the card that would cause a problem right now rather than trying to stop a long-term threat
In a base four player Commander Chaos game, that's three attacks that come your way for every one attack of yours