Galeforce Arcanium Warrior

Flying, Plainswalk
{u}{r}: Target Construct warrior gains Plainswalk, Islandwalk, or Mountainwalk (your choice).
{w}{w}{u/r}{x}, {t}: Return target permanents on the battlefield with combined converted mana cost X to their owners' libraries.
The sheer elemental energy of this Arcanium Warrior
will blow its foes away - Literally!