Oh. An increase at each recursion step would make more sense, although that also makes it directly inferior to a whole host of cards in a lot of cases (such as fractal and mitosis), and pretty much all the cases where it can be useful cruxes on Rainbow generation of larger pools of quanta.
On the other hand, assuming you can pool up a huge amount of quanta, it grants heavy card advantage, and I'm not sure what benefits are possible with something like this mainly because with an additive recursion the quanta costs would get prohibitively expensive, but potential can be seen.
Ex: A Time/Light stall deck with Eternities for rewinding creatures, Recursion, and Hourglasses, RoL's for Hope shield stacking, and massive quanta generation, Miracles, SoD's, and Sanctuaries. Recursion has Synergy with many cards. RoL's to get a field full to simulate fractal hope, + huge quanta gen buffs for future recursions. SoD recursion to get to instant 500 HP to work as a quasi-stoneskin/miracle stall, and Sanctuary Recursion to get 5-7 extra Sancs on the field for massive healing.
(Also remember that for the fire bolt deck, you could use the other fire bolts early to get extra bolts at the top end, and that something like Faren will likely have done at least chip damage, so it's probably closer to 40-50 than ~65)
