But in general, I'd run back Mono-Blue Mill exactly as it is
Manifesting a card puts it onto the battlefield as a 2/2 creature, and you can turn it face-up by paying its mana cost
Pokmon, Yu-Gi-Oh, and Duel Masters all see a massive increase in popularity in Japan
The compact footprint allows multiple deck boxes to be stored together without wasted space, making it easier to organize collections or carry multiple decks at once
When we were putting together the set in vision design, we spent a bunch of time talking about how we would want to convey history in the set
Oh, and then theres the opportunity for an evil laugh if youve got a Nicol Bolas, Dragon-God (or any of Bolas other iterations) out when you cast Hour of Devastation