Spinerock Hollow enters the battlefield tapped unless you pay .
: Add or to your mana pool.
: Add to your mana pool. Put Spinerock Hollow on top of your library.
, , Sacrifice Spinerock Hollow: Target creature gets -2/-2 until end of turn.
.
: Add 
or 
to your mana pool.: Add to your mana pool. Put Spinerock Hollow on top of your library., , Sacrifice Spinerock Hollow: Target creature gets -2/-2 until end of turn.
