Lagann, Hope Incarnate

{x}{x}{t}: Gain control of target nontoken Artifact
you don't control with mana value X.
Whenever another creature enters the battlefield
under your control, put a Spiral Counter on
target creature you control.
Partner and melds with Gurren, Crimson Lotus.
"If there's a wall in our way then we smash it down!
If there isn't a path, then we carve one ourselves!"
—Simon