They contain all foil cards
Chandra, Hope's Beacon The best finisher Chandra, Hope's Beacon specifications: Pros Game-ending threat once she lands Brilliant red control finisher Copying big spells is very fun Cons Slow and telegraphed Needs a very specific strategy to enable her Although most red planeswalkers slot nicely into aggressive decks, Chandra, Hope's beacon is a formidable finisher for a slower red deck
Craterhoof Behemoth hits the battlefield, pumps your whole team based on how many creatures you already have, and gives everything trample so blockers dont really save anyone
The cards signature ability Off With Their Heads
Also, this increases the probability that you can activate the monument later and get full value out of playing the splashed monument, whereas playing an Abzan Monument for green and white in a Jeskai-plus-green deck doesn't lend itself to having the black mana for it's activation
Invasion of Innistrad/Deluge of the Dead Here be monsters Our final battle card from March of the Machine is the Invasion of Innistrad, a four-mana Black battle with five health and flash