Cheapest priced copy (Avatar: The Last Airbender): $0.35 at Card Kingdom, near mint, their price list as of .
Zuko's Exile 
Instant — Lesson · Common · Avatar: The Last Airbender · #3
Exile target artifact, creature, or enchantment. Its controller creates a Clue token. (It's an artifact with "{2}, Sacrifice this token: Draw a card.")
Legal inCommanderBrawlStandardPioneerModernLegacyVintagePauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Avatar: The Last Airbender | 3 | Common | $0.35 | $0.49 |
2 rulings from Wizards of the Coast
- 2 October 2025Clue tokens are artifact tokens with "{2}, Sacrifice this token: Draw a card."
- 2 October 2025Creating a Clue token this way isn't the same thing as investigating. Notably, an ability that triggers whenever you investigate won't trigger because of creating a Clue token this way.