River Necropolis enters the battlefield tapped.
: Add to your mana pool.
: Add or to your mana pool. Each opponent gains 1 life.
, Sacrifice River Necropolis: River Necropolis deals 1 damage to target creature or player.
: Add 
to your mana pool.: Add 
or 
to your mana pool. Each opponent gains 1 life., Sacrifice River Necropolis: River Necropolis deals 1 damage to target creature or player.
