Stormblade, Sword of Herod

When Stormblade, Sword of Herod enters the battlefield you may have it do {x} damage to target creature
Equipped creature has +2/+2 has vigilance and trample
Equip {3}
"Many have tried to take it from its resting place, but all have died. Only one person can claim this sword...yet we don't know when he will return and take it..."
-Aurelia