Red can easily generate mana advantage as well, be it through bursty rituals (Irencrag Feat), treasure tokens (Dockside Extortionist), free spell/polymorph effects (Fires of Invention, Tibalts Trickery), or the occasional outright mana dork/discounter/mana multiplier (Leyline Tyrant, Mana Echoes)
NM EX VG G NM EX VG G NM EX VG G NM EX VG G NM EX VG G NM EX VG G NM EX VG G NM EX VG G NM EX VG G NM EX VG G NM EX VG G NM EX VG G NM EX VG G NM EX VG G NM EX VG G NM EX VG G NM EX VG G NM EX VG G NM EX VG G NM EX VG G NM EX VG G NM EX VG G NM EX VG G
Similarly, many decks built around set mechanics, like Mutate, Web-Slinging, or Earthbending, are fair game
Theres a little something for every power level and strategy, not to mention some new archetypes opened wide