(: Add or to your mana pool.)
Forest Catacomb enters the battlefield tapped unless you sacrifice a planeswalker.
: Forest Catacomb becomes a 2/1 green and black Snake creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.): Forest Catacomb becomes a 2/1 green and black Snake creature until end of turn. It's still a land.
