Roy Laforet, Samurai

Double strike, Vigilance
When Roy Laforet, Samurai enters the battlefield or attacks, you may attach target equipment you control to him.

{1}{r}{w}{b}, {t}: Roy Laforet, Samurai deals
X plus 3 damage to any target, where X is its
power. Damage dealt this way can't be prevented.
If a creature or planeswalker dealt damage
this way would die this turn, exile it.