Varuf of the blood moon cult

riot, Spectacle {b}{r}{g}
when a creature or card effect you control with
riot or Spectacle does damage to an opponent,
exile the x cards from the top of your deck where
x the damage done, you can cast them from exile
by paying their costs, if any opponent suffered
damage this turn, exiled cards cost{b}{r}{g}less
to cast.
every time a spell is casted by Spectacle all your
creatures with riot get a +1/+1 counter and haste