(: Add or to your mana pool.)
When Crater Chamber enters the battlefield, return a land you control to its owner's hand.
: Crater Chamber becomes a 1/1 blue and red Beast Troll creature with first strike until end of turn. It's still a land.
: Add 
or 
to your mana pool.)
: Crater Chamber becomes a 1/1 blue and red Beast Troll creature with first strike until end of turn. It's still a land.
