Speaking of free, probably the craziest thing you can do with Unpredictable Cyclone is to get it on the battlefield alongside something like New Perspectives or Fluctuator, which let you cycle cards for free
If it was an issue with ink opacity or thickness (i.e., missing the double black print CMYKK), it should show up as an error on every set
Stardust Dragon Stardust Dragon is probably the safest Level 8 Synchro to go into in Edison, because he has an effect that protects you from destruction effects
destroy as many other cards on the field as possible, and if you do, banish them, then Special Summon 1 Level 7 or lower monster from your Deck that mentions "Gold Sarcophagus of Light", and if you do, increase its Level by the number of cards destroyed by this effect
10 Crush Card Virus Crush Card Virus was initially a powerful trap card that was also incredibly rare