(2016-09-20) The first ability counts spells you cast earlier in the turn even if you didn't control Aetherflux Reservoir as you cast them, and even if those spells were countered
Trouble in Pairs allows you to draw cards off attacks against you, their second card draw, or their second spell cast
Mutant is a broad enough creature type that this creature will get many triggers, and each of those triggers plays into all the strategies Ive mentioned before
Lastly, the product comes with several other goodies such as stunning foil promo cards, a playmat, an art booklet, and three collector's boxes to hold your card
Even within the rules of fan-art I listed above: people buying it know theyre buying a proxy, a replicated card (at least, assuming its not someone trying to hock a proxy off as being authentic) the fact that it does use authentic artwork is tricky, and maybe the most grey of greys involved proxies dont interfere with the rights-holders from selling cards because, well, the rights-holders dont get ANY money from the secondary market to begin with
