Cheapest priced copy (Eighth Edition): $5.49 at Card Kingdom, near mint, their price list as of .
Natural Affinity 
Instant · Rare · Ninth Edition · #256
All lands become 2/2 creatures until end of turn. They're still lands.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
5 printings · $5.49 to $37.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Eighth Edition | 269 | Rare | $5.49 | — |
| Eighth Edition | 269★ | Rare | — | $13.99 |
| Ninth Edition | 256 | Rare | $5.49 | — |
| Ninth Edition | 256★ | Rare | — | $13.99 |
| Mercadian Masques | 260 | Rare | $6.49 | $37.99 |
One ruling from Wizards of the Coast
- 1 August 2008A noncreature permanent that turns into a creature can attack, and its {T} abilities can be activated, only if its controller has continuously controlled that permanent since the beginning of their most recent turn. It doesn’t matter how long the permanent has been a creature.