Avatar: The Last Airbender - Prerelease Pack (Toph - Green) Defense_1500 you may play it as

you may play it as your next form this turn (no check necessary)

Precautions

and either add it to your hand or send it to the GY

While "Elemental HERO Neos" is neither on your field nor in your GY

Avatar: The Last Airbender - Prerelease Pack (Toph - Green) Defense_1500 you may play it asChoose one of five seeded Prerelease Packs and begin your journey with Magic: The Gathering Avatar: The Last Airbender. Each Prerelease Pack contains the following: 5 Play Boosters 1 Seeded Avatar: The Last Airbender Character Booster (Each Character Booster is themed around a different Avatar: The Last Airbender character and a color of Magic.) 2 Non foil double sided tokens themed to your Prerelease Pack's color 1 Traditional foil year stamped rare