When Rustic Tomb enters the battlefield, sacrifice it unless you pay .
: Add or to your mana pool.
Sacrifice Rustic Tomb: Add or to your mana pool.
, , Sacrifice Rustic Tomb: Target creature gets -2/-2 until end of turn.
.
: Add or 
to your mana pool. or to your mana pool., , Sacrifice Rustic Tomb: Target creature gets -2/-2 until end of turn.
