Select 1 Spell Card from your opponent's Graveyard. You can use it as your hand until the end of the turn. If you use it, you take 2000 points of damage.
Rulings
Individual Card FAQs
If you have your opponent's "Pot of Greed" in your hand because of "Exchange" or "Graverobber", you CAN send your opponent's "Pot of Greed" to the Graveyard to activate your "Avatar of the Pot"'s effect. But if you did this with "Graverobber", you take 2000 points of damage to do so.
"Barrel Behind the Door" cannot be activated against cards that do not inflict damage when the card resolves, such as "Graverobber", which inflicts damage later.
“Des Wombat” will protect you against the effect damage of “Graverobber”.
Netrep Rulings
If “Graverobber” is chained to the effect of a card that would remove a Spell Card from the game by any means than as a cost, “Graverobber” may target that Spell Card to remove it from the Graveyard before that effect resolves.
A continuous Spell card retrieved by the effect of “Graverobber” and then played remains on the controlling player's field as normal until that Spell Card is removed from the field.
The Spell Card retrieved by "Graverobber" may be Set at no cost. That card will return to the owner's Graveyard at the end of the turn.
A card retrieved from the opponent's Graveyard through the effect of "Graverobber" may be discarded through the effect of "Graceful Charity" with no cost being paid due to the effect of "Graverobber."