That Goblin Shaman is going to net some Treasures for you, and then Chapter II will sculpt your hand just how you like it
Arguably more importantly, all Scion and Spawn creatures you control get indestructible and annihilator 1 until the end of the turn and given the way this deck can and will be able to spit out those tokens, those annihilator triggers can become a problem fast
Obviously, I didnt get the chance to cover every single deck archetype out there, but this should serve as a good introduction to the most popular ones
Illustrated by Chris Rallis Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp
Sacrifice after III.) I, II Prevent all damage that would be dealt to creatures you control this turn
Brimaz, Blight of Oreskos There are a good number of Phyrexian creatures that can be effective tools for a Brimaz, Blight of Oreskos infect deck