We have just a tiny bit of spot removal and wrath effects in: Dragon's Fire, Crux of Fate, Fortunate Few, Kindred Dominance, and the brutal Ruinous Ultimatum
Elves Elves is quite like affinity in many ways as it very explosive and has lots of cards that are very weak on thier own yet very powerful in combination with the other cards in the deck
What this includes: Cards that, whether by being permanents or having buyback, make you take less combat damage throughout the game without wiping away the board
If you care about the color of mana, may I suggest Firemind Vessel
Transcendence Combine lifegain and Transcendence with cards listed above that make you unable to lose, and your game ends in a draw of a never ending trigger if no one can break it up
Collector Boosters contain cards from the main set, as well as most supplemental products associated with a set