When Tropical Chamber enters the battlefield, sacrifice it unless you pay 2 life.
: Add to your mana pool. If you played a land this turn, Add to your mana pool instead.
, Sacrifice Tropical Chamber: Add to your mana pool.
: Add 
to your mana pool. If you played a land this turn, Add 
to your mana pool instead., Sacrifice Tropical Chamber: Add 
to your mana pool.
