--イービル・ソーン
function c85431040.initial_effect(c)
	--damage
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(85431040,0))
	e1:SetCategory(CATEGORY_DAMAGE+CATEGORY_SPECIAL_SUMMON+CATEGORY_DECKDES)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCost(c85431040.cost)
	e1:SetTarget(c85431040.target)
	e1:SetOperation(c85431040.operation)
	c:RegisterEffect(e1)
end
function c85431040.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return e:GetHandler():IsReleasable() end
	Duel.Release(e:GetHandler(),REASON_COST)
end
function c85431040.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetOperationInfo(0,CATEGORY_DAMAGE,nil,0,1-tp,300)
end
function c85431040.filter(c,e,tp)
	return c:IsCode(85431040) and c:IsCanBeSpecialSummoned(e,0,tp,false,false,POS_FACEUP_ATTACK)
end
function c85431040.operation(e,tp,eg,ep,ev,re,r,rp)
	if Duel.Damage(1-tp,300,REASON_EFFECT)==0 then return end
	local ft=Duel.GetLocationCount(tp,LOCATION_MZONE)
	if ft<=0 then return end
	if ft>2 then ft=2 end
	if Duel.IsPlayerAffectedByEffect(tp,59822133) then ft=1 end
	local g=Duel.GetMatchingGroup(c85431040.filter,tp,LOCATION_DECK,0,nil,e,tp)
	if g:GetCount()==0 then return end
	if Duel.SelectYesNo(tp,aux.Stringid(85431040,1)) then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
		local sg=g:Select(tp,1,ft,nil)
		local tc=sg:GetFirst()
		while tc do
			if Duel.SpecialSummonStep(tc,0,tp,tp,false,false,POS_FACEUP_ATTACK) then
				--cannot trigger
				local e1=Effect.CreateEffect(e:GetHandler())
				e1:SetType(EFFECT_TYPE_SINGLE)
				e1:SetCode(EFFECT_CANNOT_TRIGGER)
				e1:SetRange(LOCATION_MZONE)
				e1:SetReset(RESET_EVENT+RESETS_STANDARD)
				tc:RegisterEffect(e1)
			end
			tc=sg:GetNext()
		end
		Duel.SpecialSummonComplete()
	end
end
