Zet, the Arc Warden

Tempest Double {2}{w}{u}{b}: Create a
Tempest Double token with Zet, the Arc Warden's power, toughness and abilities.
You can only control one Tempest Double
at a time. Activate as a sorcery.
It is not to aid the Ancients that this war is joined, but to destroy them both. This disunity
must end.