Grave Ruins enters the battlefield tapped.
: Add or to your mana pool.
: Add to your mana pool. Put Grave Ruins on top of your library.
: Return Grave Ruins to its owner's hand.
: Add 
or 
to your mana pool.: Add 
to your mana pool. Put Grave Ruins on top of your library.: Return Grave Ruins to its owner's hand.
