Structure Decks:
* "Destiny Heroes - Destiny Draw" (SD13): Contains a Super Rare version of Dark Magician Girl.
Booster Packs:
* "Legendary Collection 2: The Duel Academy" (LC02-EN): Features a Rare version of Dark Magician Girl.
* "Pharaoh's Servant" (PHSW-EN): Features a Common version of Dark Magician Girl.
* "The Lost Millennium" (LMT-EN): Features a Rare version of Dark Magician Girl.
* "The Duelist Genesis" (DUEA-EN): Features a Common version of Dark Magician Girl.
* "Magician's Force" (MFC-EN): Features a Secret Rare version of Dark Magician Girl.
* "Cybernetic Horizon" (CYHO-EN): Features a Secret Rare version of Dark Magician Girl.
* "Dawn of Majesty" (DOMA-EN): Features a Super Rare version of Dark Magician Girl.
* "Eternal Soul" (ETCO-EN): Features a Super Rare version of Dark Magician Girl.
* "Power of the Elements" (POEL-EN): Features a Super Rare version of Dark Magician Girl.
* "Battle Pack 3: Monster League" (BP03-EN): Features a Common version of Dark Magician Girl.
* "Clash of Rebellions" (CORE-EN): Features a Super Rare version of Dark Magician Girl.
* "Legend of Blue Eyes White Dragon" (LOB-EN): Features a Rare version of Dark Magician Girl.
* "Duelist Pack: Kaiba" (DP03-EN): Features a Rare version of Dark Magician Girl.
Other Packs:
* "Starter Deck: Jaden Yuki" (SD1-EN): Contains a Rare version of Dark Magician Girl.
* "Starter Deck: Yugi Muto" (SD2-EN): Contains a Rare version of Dark Magician Girl.
* "Starter Deck: Kaiba" (SD3-EN): Contains a Rare version of Dark Magician Girl.
* "Yu-Gi-Oh! Duel Decks: Yugi vs. Kaiba" (DD1-EN): Contains a Rare version of Dark Magician Girl.
* "Yu-Gi-Oh! Duel Decks: Heroes vs. Villans" (DD2-EN): Contains a Rare version of Dark Magician Girl.
This is not an exhaustive list, as Dark Magician Girl has been reprinted in many other packs over the years. You can find more specific information on the official Yu-Gi-Oh! website or by using online card databases.
Remember that the rarity of the card and the specific pack it comes from will affect its price and value.