Gurren Lagann

Flying, Trample, Double Strike
{x}{x}: Gain control of target nontoken Artifact
you don't control with mana value X. If that
Artifact is an equipment, you may equip it to
Gurren Lagann without paying its equip cost.
Whenever a creature enters the battlefield under
your control or deals damage to an opponent, put
a Spiral Counter on target creature you control.