You can play the lock combo of Karn, the Great Creator and Mycosynth Lattice for free, drop crazy stax pieces like God-Pharaoh's Statue or Wandering Archaic, or keep it simple by casting free eldrazi like Ulamog, the Ceaseless Hunger and Kozilek, Butcher of Truth
Ive long awaited an on-theme Fiend Hunter-esque card for Elves, so its a fortunate turn of events that an elf rather than a human got turned into a werefox
If you can keep him around for a while, he has two different abilities that can turn the tide on your early to mid-game
Zanarkand, Ancient Metropolis is the only good adventure town, though Id be willing to play any of them except Jidoor, Aristocratic Capital over a basic
As for playgroups, sometimes you just need a bundle that has cards that were meant to play together and the Bloomburrow precon bundle is full of powerful tribes that offer a unique tabletop game
Its also a surprisingly potent card, with a lot of potential in certain decks