The decklists are just here to highlight what kinds of cards you can expect in a given archetype
Llanowar Visionary Three mana
Cloudpost The fact that Cloudpost lists run Emrakul, the Aeons Torn in their deck not because theyre cheating it into play with cards such as Sneak Attack or Show and Tell, but because they can cast it should tell you all you need to know about this archetype
As for creatures to sacrifice, Id consider the Kamigawa spirit dragons, and each of the newer ones in this color identity all work well with the various treasure, +1/+1 counters, and the lesser recursion subthemes found in the deck
Generally a -3/-3 will allow you to prevent damage thus having some Healing Salve utility
Dominaria United Set Boosters contain all the great cards from the main set that you could want and an opportunity for Dominaria United Commander cards or cards from The List , with more opportunities of getting multiple rares or mythic rares than Draft Boosters
