Opponents won't lose life even if you control eight or more artifacts
Heres a villain pairing, with the evil Maleficent and her raven, Diablo
Squall, SeeD Mercenary Squall, SeeD Mercenary does some really cool stuff
Terra, Magical Adept / Esper Terra Terra, Magical Adept, discounting the transformed side, is already a good 4/2 creature that mills and gives you a little value
Slash of Light Rating: 4/10 Your average deck is usually not going to control enough creatures to make Slash of Light a good pick, but the equipment deck should have enough extra permanents around to supplement it
Diamond Weapon's prevention effect isn't considered while assigning combat damage from a creature with trample that's being blocked by Diamond Weapon