Cheapest priced copy (Phyrexia: All Will Be One): $0.35 at Card Kingdom, near mint, their price list as of .
Minor Misstep 
Instant · Uncommon · Phyrexia: All Will Be One · #64
Counter target spell with mana value 1 or less.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Phyrexia: All Will Be One | 64 | Uncommon | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 4 February 2023While a spell with {X} in its mana cost is on the stack, use the value of X that was chosen when it was cast to determine its mana value. Normally, this means that a spell with {X} in its mana cost will have a mana value greater than 1.