Darkness End

When this Artifact comes into
Play, attach it only to a legendary
Creature, enchanted creature gains
Shroud, lifelink, and +3/+3, and when it deals combat damage to a
Player, that player lose x life, and u gain x life, where x is the number Swamp in play.
{5}{b}{b}, equip
When u not attack with creature in
Any turn, u lose the game.