Devastator of Horsus

When Devastator of Horsus enters play, tap all
lands you control. Lands you control do not
untap during your next untap step.
Double Strike, Flying, Trample.
At any time you may sacrifice 2 permanents
under your control to give Devastator of Horsus
hexproof until end of turn.
The Emissary had links to the ancient ones.