Silrurk, The Wandering Chaos

Trample, islandwalk, anihilator 1, ward {3}.
At the beginning of combat on your turn, choose
an opponent at random. Silrurk, The Wandering
Chaos attacks that player this combat if able.
At the beginning of your end step, choose a
player at random. That player gains control of Silrurk, The Wandering Chaos.