Creature — Shapeshifter
Changeling (This card is every creature type.)
When this creature enters, create a tapped Mutavault token. (It's a land with "

: Add

" and "

: This token becomes a 2/2 creature with all creature types until end of turn. It's still a land.")
"It had been to warrens and kithkin taverns, but found a home in the hidden cavern."
*—The Changeling's Search*