Changeling (This card is every creature type.) When this creature enters, create a tapped Mutavault token. (It's a land with "{T}: Add {C}" and "{1}: 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*
![Mutable Explorer (Showcase) [Lorwyn Eclipsed]](http://www.cardmerchanttakapuna.co.nz/cdn/shop/files/598cba17-ccd3-5c4c-80a0-a4971a2999f4.png?v=1770136475&width=1445)