Growth Swamp enters the battlefield tapped unless you sacrifice a nonbasic land.
, : Add to your mana pool.
: Growth Swamp becomes a 2/1 green and black Elf Beast creature until end of turn. It's still a land.
, 
: Add 
to your mana pool., : Add to your mana pool.: Growth Swamp becomes a 2/1 green and black Elf Beast creature until end of turn. It's still a land.
