Gravepurge | Magic: The Gathering
Formats Gravepurge is Legal in
Official Oracle Text for Gravepurge
Draw a card.
—Gisa, ghoulcaller of Gavony
Official Rulings for Gravepurge
1/22/2011 : You can cast Gravepurge with zero targets. If you do, you'll draw a card as the spell resolves.
1/22/2011 : If you cast Gravepurge with at least one target and all of those targets become illegal, the spell will be countered and you won't get to draw a card.