Vault Reef enters the battlefield tapped unless you pay .
: Add to your mana pool. Return Vault Reef to its owner's hand.
: Vault Reef becomes a 2/2 black Wizard Rat creature until end of turn. It's still a land.
.
: Add 
to your mana pool. Return Vault Reef to its owner's hand.
: Vault Reef becomes a 2/2 black Wizard Rat creature until end of turn. It's still a land.
