This is because of a few reasons: Cori-Steel Cutter costs 2 mana total as opposed to Cosmogrand Zenith's 3, meaning it can be cast earlier, and it's easier to cast another spell after it to immediately proc its effect
Whether you use one of the commanders from Ikoria: Lair of Behemoths or a commander that can be built into a mutate deck like Ivy, Gleeful Spellthief or Ramos, Dragon Engine, go out there and make David Cronenberg proud
Assuming it survives, you put it into your hand at the end of combat
Endrek Sahr, Master Breeder Endrek Sahr, Master Breeder makes you a lot of 1/1 black thrull tokens as long as youre casting creature spells
One mode gives a players creatures +1/+1 and lets them swing the same turn, so a board of small goblins can turn into a real closing push fast
Yamato (ST-28) [Best Balanced Midrange Deck] This starter deck is a dream pick if you like a bit of everything