I find that the best unupped farmers are rainbows...
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4sa 4sa 4sa 4sa 4vj 4vj 4vj 4vj 4vj 4vj 52q 55u 596 5c1 5f6 5i7 5if 5og 5og 5ur 6u1 6u1 6u2 713 74a 74a 77g 77g 77g 7dm 7jv 7jv 7n7 7n7 80g 8pm
Ok, that's half-upped, but except for the Graboids, all of the Upped cards were won from FGs at random. I play around with it from time to time.
SoG count: 1/6
Am I better off grinding FGs with RoL/Hope, then upping a vNG and farming Platinum for SoGs?