Rarg, and Plars, abyss horror

(melds from Rarg, Abyss pathlighter and Plars, Abyss strix)
Vigilance, Deathtouch, Reach.
Will of the Abyss— When this creature
blocks or becomes blocked, each player
rolls a d6. That player gazes to that place of
the abyss, then for each 6 rolled, this creature deals 1 damage to target attacking
or blocking creature.