When Goblin Catacombs enters the battlefield, sacrifice it unless you pay .
: Add to your mana pool.
: Add or to your mana pool. Each opponent gains 1 life.
, , Sacrifice Goblin Catacombs: Target creature gets -2/-2 until end of turn.
.
: Add 
to your mana pool.: Add or 
to your mana pool. Each opponent gains 1 life., , Sacrifice Goblin Catacombs: Target creature gets -2/-2 until end of turn.
