SPE cards carry a premium value, and this one can go even higher if the card is as good or versatile as I think it is
You can be at 10 life, pay like 3 or 4 life to get a benefit, and at your next end step, your life returns to 10 (or 20, in EDH)
Angrath, Captain of Chaos Averna, the Chaos Bloom Burning Cinder Fury of Crimson Chaos Fire Carnage, Crimson Chaos Caves of Chaos Adventurer Chaos Balor Chaos Channeler Chaos Charm Chaos Confetti Chaos Defiler Chaos Dragon Chaos Harlequin Chaos Imps Chaos Is My Plaything Chaos Lord Chaos Maw Chaos Moon Chaos Mutation Chaos Orb Chaos Shrine's Black Crystal Chaos Spewer Chaos Terminator Lord Chaos Wand Chaos Warp Chaos, the Endless Chaoslace Chaosphere Coronation of Chaos Curse of Chaos Defender of Chaos Domri, Chaos Bringer Game of Chaos Gauntlets of Chaos Grip of Chaos Hidetsugu, Devouring Chaos In the Eye of Chaos Jan Jansen, Chaos Crafter Lady Loki, Agent of Chaos Mikey & Leo, Chaos & Order Okaun, Eye of Chaos Order // Chaos Order // Chaos Planar Chaos Plargg, Dean of Chaos Rakdos, Patron of Chaos Reign of Chaos Sower of Chaos Throes of Chaos Zurzoth, Chaos Rider
Tezzeret the Schemer from Aether Revolt created Etherium Cells, which added a tap cost to the mana ability to make them less broken with the sets Improvise mechanic
The deck also attacks your opponents' hands, with cards like Burglar Rat and Virus Beetle forcing them to discard when they enter the battlefield
