Gornogs ability triggers per opponent you attack, and so the play here is to amass a large board of Warriors and hit all of your opponents at once
Rumors follow them, with the ignorant fretting they might be some new form of Phyrexian and the curious wishing to disassemble them in search of a maker's mark
Aetherflux Conduit, for the low-low price of 50 energy, lets you draw seven and cast any number of spells from your hand for free
Fable of the Mirror-Breaker / Reflection of Kiki-Jiki Fable of the Mirror-Breaker is one of the best sagas in MTG, probably only out-valued by Urza's Saga
Most Lifegain decks are generally black, white, and/or green, most commonly Orzhov (black/white) or Selesnya (green/white), and Golgari (black/green)