Instantáneo
Regresa la criatura objetivo a la mano de su propietario. Si estaba girada, crea una ficha de Mapa. (Es un artefacto con "

,

, sacrificar este artefacto: La criatura objetivo que controlas explora. Activa esto solo como un conjuro".)
In some unusual cases, noncreature permanents may explore. For example, if the creature card returned by Defossilize is somehow not a creature once it's on the battlefield, it can still explore. You'll take all the same actions, and you may end up putting a +1/+1 counter on the permanent. (Note that some effects target a creature, and those effects would still require a legal target to have it explore.)