Examples of cards that have a lose the game condition include cards like Chance For Glory, Demonic Pact, and Nefarious Lich
Ive included the most valuable Foundations Jumpstart (J25) cards here too, so keep an eye out for those
Sneak Attack is second best in this category as the upgrades can be a bit more expensive, but its a joy to play and a fantastic stocking stuffer
Storm absolutely broke formats like Standard, and found its place as a staple in Modern
Introducing a new world and then bringing in conflict is a theme that has been repeated by Wizards of the Coast with the large/small set structure of Magic recently, so theres not really a twist element to enjoy here, but the aesthetic execution is top-notch
This means that you can effectively untap mana rocks such as Sol Ring or Mana Vault or loop powerful enters-the-battlefield triggers such as Dockside Extortionist or Spellseeker