(: Add or to your mana pool.)
Mountain Caves enters the battlefield tapped.
: Mountain Caves becomes a 1/1 black and red Troll creature with first strike until end of turn. It's still a land.
: Add 
or 
to your mana pool.)
: Mountain Caves becomes a 1/1 black and red Troll creature with first strike until end of turn. It's still a land.
