Cheapest priced copy (Duskmourn: House of Horror Commander): $0.49 at Card Kingdom, near mint, their price list as of .
Zimone's Hypothesis 
Instant · Rare · Secrets of Strixhaven Commander · #206
You may put a +1/+1 counter on a creature. Then choose odd or even. Return each creature with power of the chosen quality to its owner's hand. (Zero is even.)
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
3 printings · $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duskmourn: House of Horror Commander | 15 | Rare | $0.49 | — |
| Duskmourn: House of Horror Commander | 46 | Rare | $0.49 | — |
| Secrets of Strixhaven Commander | 206 | Rare | $0.49 | — |
One ruling from Wizards of the Coast
- 20 September 2024You choose odd or even while Zimone's Hypothesis is resolving. Players can't take any actions between the time you make that choice and the time creatures are returned to their owners' hands.