Cheapest priced copy (Mystery Booster 2): $0.49 at Card Kingdom, near mint, their price list as of .
Unnatural Selection 
Enchantment · Rare · Apocalypse · #32
{1}: Choose a creature type other than Wall. Target creature becomes that type until end of turn.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $0.49 to $34.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Apocalypse | 32 | Rare | $2.99 | $34.99 |
| Mystery Booster 2 | 38 | Rare | $0.49 | — |
One ruling from Wizards of the Coast
- 4 October 2004You must choose a creature type that already exists in Magic.