/give @p stone_sword 1 0 {
display: {
Name: "Bedrock Sword"
},
AttributeModifiers: [
{
AttributeName: "generic.knockbackResistance",
Name: "generic.knockbackResistance",
Amount: 50,
Operation: 0,
UUIDMost: 47211,
UUIDLeast: 941911
},
{
AttributeName: "generic.attackDamage",
Name: "generic.attackDamage",
Amount: 50,
Operation: 0,
UUIDMost: 67247,
UUIDLeast: 453997
}
],
HideFlags: 4,
Unbreakable: 1
}