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
And speaking of the famous black removal spell, you can spam targeted black removal with this guy around, and without a per turn limit
Elves are very good at making tokens, and getting to swing with those often and early helps force through damage and pressure planeswalkers since opponents arent likely to trade real creatures with deathouching tokens
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
Examples of cards that have a lose the game condition include cards like Chance For Glory, Demonic Pact, and Nefarious Lich