Each time a mulligan is performed, the opposite player may elect to draw an extra card
Prize Cards are practically free, and Knock Outs are all but guaranteed if you have just a single Boss ready to go.
Turning every artifact into a mana source enables explosive turns, and when paired with cards like Paradox Engine, it allows you to cast spells and untap permanents repeatedly, quickly spiraling into overwhelming advantage or outright wins
Noctis, Prince of Lucis wants artifacts in the graveyard, and Artificer's Intuition is an efficient, repeatable way to get the job done
Individually, their wealth and power could only amount to so much, but together they were able to take control of a nation
If there's a cost associated with having it attack, you aren't forced to pay that cost, so it doesn't have to attack in that case either