Mana Ramp I love having Reckless Barbarian and Patron of the Arts as Dragon cards that you can cast early to provide some temporary mana to power out a big Dragon, or maybe even The Ur-Dragon itself
Several signed cards are also mixed within, bearing artist signatures on the grading boxes from figures such as co-designer Ryan Miller
While many cards had their text boxes changed subtly from Alpha to Beta (templates were fixed, font sizes were changed, misprints were fixed, and readability was improved), several cards have significant differences between Alpha and Beta printings
An interesting aspect of Flesh and Blood is the recycling of cards to use as resources when bringing other cards into play
I covered the whole process in my article about how important math is to doing the thing in Commander, if you want to read more on that
A foil-stamped Signature Art Card replaces the Art Card in 5 percent of Set Boosters, and a card from The List replaces the Ad/Token in 25 percent of Set Boosters