In fact, each Starter Deck includes also a few cards from all the three previous sets that were chosen to support the overall deck strategy
A one-sided mana doubler that existed before the likes of Caged Sun or Crypt Ghast, Nirkana Revenant fueled many a powerful X spell while also being able to put opponents down with the aid of a Whispersilk Cloak or Akromas Memorial
That said, Im sure Ive missed a few
Blue and black are the two colors that interact with it most
Those 2 cards are definitely interesting and stuff to consider, especially Torgaar that I can actually recommend playing as a 1-of, but not everyone would want to play it
Once the alliance is over, you still have those players creatures, giving you a nice advantage