Cheapest priced copy (Commander 2021): $0.69 at Card Kingdom, near mint, their price list as of .
Paradox Zone 
Enchantment · Rare · Commander 2021 · #391
This enchantment enters with a growth counter on it.
At the beginning of your end step, double the number of growth counters on this enchantment. Then create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it, where X is the number of growth counters on this enchantment.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $0.69 to $1.29 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander 2021 | 64 | Rare | $0.69 | — |
| Commander 2021 | 391 | Rare | $1.29 | — |