As for the other types of card you will find in Beyond Boosters, therell be Borderless art cards to be discovered, as well as a set of scene cards that combine to form a larger image
When you run this in a Dimir colored deck, toss in mana rocks like Fellwar Stone and Darksteel Ingot that tap for more mana than just Dimir to cast them
They function similarly to mana rocks, except they have a lower floor (they only work for artifacts) with a higher ceiling (you can produce more than one mana a turn)
Green Biorhythm Biorhythm is an eight-mana spell that, after a board wipe, could mean all your opponents who haven't had a turn, just lose
It also ties into the Knight part of the deck
It computes the exact joint probability that a single draw meets several requirements at the same time, such as "at least 2 lands and at least 1 removal spell" in your opening 7