Syr Chayce, the Fractured

{t}: Roll the planar die. Activate this ability only
any time you could cast a sorcery.
If Syr Chayce, the Fractured attacked a
planeswalker this turn, each blank roll of the
planar die is a [[chaos]] roll until the beginning
of your next upkeep.
At the beginnging of your end step, put a +1/+1
counter on Syr Chayce for each planeswalker
that left the battlefield this turn.