There are a few general factors that influence the cost of a pack, namely circulation status, rarity, and chase cards
Considering the myriad options you have for returning cards from your graveyard to play, you should treat this Golgari sorcery as just plain better than Shared Summons, even if creatures in your graveyard are a little more vulnerable than the ones in your hand
Each The Lost Caverns of Ixalan Commander Deck includes
Cards x10 Playsheet x1 Card Case x1 Bonus Pack x1 (3 cards, 16 types in total) *The Bonus Pack's cards are alternate designs of the card types included in the deck
1 Poppet Stitcher
Even Red ended up contributing more to this deck than I expected, not just with some good creatures but also Relentless Assault to double our combat damage output, Fervor to give our stuff haste, and both Price of Progress and Pandemonium which gives the deck some reach with burn to finish off low opponents