Cheapest priced copy (Strixhaven: School of Mages): $0.35 at Card Kingdom, near mint, their price list as of .
Golden Ratio 
Sorcery · Uncommon · Strixhaven: School of Mages · #190
Draw a card for each different power among creatures you control.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Strixhaven: School of Mages | 190 | Uncommon | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 16 April 2021Creatures have different power if their powers are not equal. For example, if you have a creature with 2 power, two creatures with 1 power, and a creature with -1 power, you will draw three cards as Golden Ratio resolves.