Darth Revan the Fremen

Vigilance, Double Strike
{w}: Sacrifice a sandworm. All humans you control
gain indestructible and vigilance until the start of
your next turn. Activate only as a sorcery.
{b}: Sacrifice any number of humans. Search your library for a sandworm with CMC equal to the
total power of the humans you sacrificed in
this way and put it onto the battlefield.
Shuffle your library.