When Debris Cavern enters the battlefield, sacrifice it unless you pay 3 life.
: Add to your mana pool. If you played a land this turn, Add to your mana pool instead.
Cycling (, Discard this card: Draw a card.)
: Add 
to your mana pool. If you played a land this turn, Add 
to your mana pool instead.
(, Discard this card: Draw a card.)
