Rarg, Abyss Pathlighter

Partner with Plars, Abyss Strix.
When Rarg enters the battlefield, Gaze into the
abyss.
At the beginning of each end step, if you have
gazed into the abyss 2 or more times that turn
and you both control and own Rarg and Plars,
exile them, then return them melded in Rarg and Plars, The Horror of the abyss