mtg march of the machine commander precons MOM Decks March of the Machine Commander

In response to player feedback strongly in favor of black-bordered cards, Wizards reserved for themselves the right to reprint cards from Mercadian Masques and later sets with black borders, rather than white

In that case, Queen Marchesa will keep spawning 1/1 assassins with haste and deathtouch until you get it back

As for uncommon payoffs, the deck has some nice legendary creatures like Uncommon payoffs like these are a real draw for an archetype like this since you'll have cornered the market on them

The stained-glass treatment is also applied to legendary creatures in the set

Surprise double strike for everyone attacking your opponents can be lethal