Giving +2/+2 to artifact creatures is huge, so part of this crew cost is reduced if you have at least a robot or two by your side
I tend to shy away from playing mill decks for a for a few reasons, including bad experiences in the past (with Mono-Blue Mill in Modern being the all-time worst Much Abrew deck), the fact that many mill decks play like bad burn decks, and most importantly because I usually don't enjoy mill decks
March of Burgeoning Life's target must have a mana value less than X
Orthion, Hero of Lavabrink Orthion, Hero of Lavabrink is one of the few mono red commanders you can pull off for soldiers and its abilities are rather different than what other soldiers provide
struck-out, removed, or different-colored text
You can then reveal a black card from your hand to flip the Ripper, making an opponent lose 2 life