This reminds me a lot of one of Kael Hate's idea.
It's my guess you are referring to his Syzygy card idea which I commented on:
http://elementscommunity.org/forum/index.php/topic,5838.msg67306#msg67306People (Kamietsu included) were complaining one of his card ideas was too complicated so I tried to revise the card description thinking I could simplify it. When I did that and then reflected on his OP, I realized his card
was overly complicated (in my opinion) and was actually quite different than what I had envisioned it to be. So I made this card instead. Both cards would generate quanta, but the amounts and conditions for these spell cards are actually quite different.