Cheapest priced copy (Fifth Edition): $0.49 at Card Kingdom, near mint, their price list as of .
Time Elemental 
Creature — Elemental · 0/2 · Rare · Fifth Edition · #129
When this creature attacks or blocks, at end of combat, sacrifice it and it deals 5 damage to you.
{2}{U}{U}, {T}: Return target permanent that isn't enchanted to its owner's hand.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
5 printings · $0.49 to $27.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Fourth Edition Foreign Black Border | 108 | Rare | — | — |
| Fourth Edition | 108 | Rare | $0.59 | — |
| Fifth Edition | 129 | Rare | $0.49 | — |
| Legends | 81 | Rare | $27.99 | — |
| Renaissance | 43 | Uncommon | — | — |
3 rulings from Wizards of the Coast
- 4 October 2004You both sacrifice it and deal the 5 damage at end of combat.
- 1 August 2005A “permanent that isn’t enchanted” is a permanent with no Auras on it.
- 16 September 2007If Time Elemental attacks or blocks, but you no longer control it at end of combat, you can’t sacrifice it. However, it will still deal 5 damage to you.