Vault Chamber enters the battlefield tapped unless you pay .
, : Add , or to your mana pool.
: Vault Chamber becomes a 2/2 blue Shapeshifter creature until end of turn. It's still a land.
.
, 
: Add , 
or to your mana pool.
: Vault Chamber becomes a 2/2 blue Shapeshifter creature until end of turn. It's still a land.
