/give @p diamond_sword 1 0 {display:{Name:"Killer Sword",Lore:["SUPER OP!","Made by:KillerJhonson"]},AttributeModifiers:[{AttributeName:"generic.maxHealth",Name:"generic.maxHealth",Amount:10000,Operation:0,UUIDMost:46855,UUIDLeast:177713},{AttributeName:"generic.attackDamage",Name:"generic.attackDamage",Amount:9999999,Operation:0,UUIDMost:12947,UUIDLeast:132759}],Unbreakable:1}