The first is some kind of impossibly try-hard Omnath, Locus of Creation plus General Ferrous Rokiric brew in Modern, which sounds unplayable to me right now
You get to play with cards all over MTGs existence, and you get to add many artifacts, legends, and some good sagas here and there
Its bonus money after selling the Mystery Booster box
There's a lot of really notable cards that didn't make the cut, however, such as the likes of Teleportation Circle and Conjurer's Closet for repeated flickers or Cosmic Intervention for a more sweeping solution
Thermo-Alchemists last ability resolves before the spell that caused it to trigger
Then if you control three or more Deserts, create two 2/2 black Zombie creature tokens