If it changes zones, it will either cease to exist (if it's a token) or cease to be a copy (if it's a nontoken permanent), and so you won't be able to cast it as an Adventure
They can be played alongside high-cost cards in order to spend your extra ink and develop your board, they can get buffed by a Support character like Rolly and become a cheap way to trade up into bigger threats, and Lucky can discover them when you use his ability Good as New, making them more valuable in your deck than in your hand
Mickey Mouse was the first card that the official Lorcana Twitter account showcased
Quite simply, the Break card, which falls into the Steel ink type, allows the player to banish an item card
Into the Inklands, the new trading card game set, will release shortly after the new year, and will introduce a few exciting new game components