(: Add or to your mana pool.)
Sapseep Catacomb enters the battlefield tapped.
: Sapseep Catacomb becomes a 2/1 green and black Leech Elf creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.): Sapseep Catacomb becomes a 2/1 green and black Leech Elf creature until end of turn. It's still a land.
