Shadowborn Demon | Magic: The Gathering
Formats Shadowborn Demon is Legal in
Official Oracle Text for Shadowborn Demon
When Shadowborn Demon enters the battlefield, destroy target non-Demon creature.
At the beginning of your upkeep, if there are fewer than six creature cards in your graveyard, sacrifice a creature.
Official Rulings for Shadowborn Demon
7/1/2013 : The last ability checks whether you have fewer than six creature cards in your graveyard when it would trigger. If you have six or more, it won’t trigger at all. The ability will check again when it tries to resolve. If at that time you have six or more, the ability won’t do anything.