(: Add or to your mana pool.)
Green Tomb enters the battlefield tapped unless you sacrifice a multicolored permanent.
: Green Tomb becomes a 2/1 green and black Leech creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.): Green Tomb becomes a 2/1 green and black Leech creature until end of turn. It's still a land.
