Ganunga, Desecrating Behemoth

Ganunga, Desecrating Behemoth has Trample
and Protection from non-legendary sources.
Ganunga, Desecrating Behemoth has affinity for artifacts.
When Ganunga, Desecrating Behemoth enters
the battlefield, each player sacrifices three
permanents.
"It's strange...it seems as though Gunga has formed a familial bond with the other behemoths."