(: Add or to your mana pool.)
Centaur Catacomb enters the battlefield tapped.
: Centaur Catacomb becomes a 2/2 black and green Beast creature with trample until end of turn. It's still a land.
: Add 
or 
to your mana pool.)
: Centaur Catacomb becomes a 2/2 black and green Beast creature with trample until end of turn. It's still a land.
