Niv-Mizzet, The Artificer

Flying
Whenever an Artifact enters the battlefield, Niv-Mizzet, the Artificer draws a card.
Whenever an Artifact is attached to a creature you control, Niv-Mizzet, The Artificer deals 1 damage
to target creature or player.
{u/r}{u/r}{x} - Make a copy of target Artifact and
attach that Artifact to target creature you control.
(X = Artifacts CMC)