K'Thrilis, the Eternity Portal

Start the game with K'Thrilis, the Eternity Portal
in the command zone.
{4}{w}{u}, {t}: If you both own and control
Sprocket of Unity, Dial of Autonomy, Dynamo
of Invigoration, and Interface of Authority, exile
them, then meld them into K'Thrilia Reforged.
You may activate this ability in the command
zone.