Sunpetal Underground enters the battlefield tapped unless you pay 1 life.
, : Add to your mana pool.
: Sunpetal Underground becomes a 2/1 white and black Bird creature until end of turn. It's still a land.
, 
: Add 
to your mana pool., : Add to your mana pool.: Sunpetal Underground becomes a 2/1 white and black Bird creature until end of turn. It's still a land.
