(: Add or to your mana pool.)
Caves Glen enters the battlefield tapped.
, : Target land becomes a 3/3 black Rat creature until end of turn. It's still a land.
, , Sacrifice Caves Glen: Return target creature you control to its owner's hand.
: Add 
or 
to your mana pool.)
, : Target land becomes a 3/3 black Rat creature until end of turn. It's still a land., , Sacrifice Caves Glen: Return target creature you control to its owner's hand.
