At the beginning of your end step, if you didn't cast any spells this turn, Cabal Sea deals 1 damage to you.
: Add to your mana pool. If you played a land this turn, Add to your mana pool instead.
, Sacrifice Cabal Sea: Add to your mana pool.
: Add 
to your mana pool. If you played a land this turn, Add 
to your mana pool instead., Sacrifice Cabal Sea: Add 
to your mana pool.
