Expansion.
An intricate, geometrical color realm lays way beyond the highest mountain, far to the southeast. It is a space of wonder and awe, where the gods and goddesses reveal their presence.
Generally, mushrooms are considered a mystical food, and so the appearance of this card in a reading could be a greeting from higher realms.
Often the mushroom refers to the goddess, the spirit of the forest, the little people, and other such creatures. The mushroom may also represent a phallic symbol and a source of power.