At the beginning of your upkeep, sacrifice a creature
- Chance of a foil card
There were massive creatures with huge drawbacks (Cosmic Larva, Desecration Elemental), a vertical cycle of Stations that went infinite with each other (Blasting Station, Grinding Station, Salvaging Station, Summoning Station), and a host of engines in search of a combo that turned one resource into another (Gemstone Array, Krark-Clan Ironworks, Clock of Omens)
You could always take the much snowier approach with Marit Lage's Slumber, though its not really competitively viable
Moving on to BLUE, we've got the Kang Dynasty and a Mythic Immortus, Master of Eternity, depicting one of the most powerful of the many Kang's variants
Baru, Fist of Krosa Baru is an descendant of Kamahl, Fist of Krosa, the protagonist of the Odyssey block and Onslaught block stories