--ヴォロスの仮面
--Mask of Volos
local s,id=GetID()
function s.initial_effect(c)
	--ATK increase
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_ATKCHANGE)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCountLimit(1)
	e1:SetCost(s.cost)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
end
function s.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(Card.IsAbleToGraveAsCost,tp,LOCATION_HAND,0,1,nil) end
end
function s.filter(c)
	return c:IsFaceup() and c:GetBaseAttack()~=1500 and c:IsLevelBelow(6) and c:IsNotMaximumModeSide()
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.filter,tp,0,LOCATION_MZONE,1,nil) end
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	--requirement
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOGRAVE)
	local g=Duel.SelectMatchingCard(tp,Card.IsAbleToGraveAsCost,tp,LOCATION_HAND,0,1,1,nil)
	if Duel.SendtoGrave(g,REASON_COST)==0 then return end
	--effect
	if c:IsRelateToEffect(e) and c:IsFaceup() then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_FACEUP)
		local g=Duel.SelectMatchingCard(tp,s.filter,tp,0,LOCATION_MZONE,1,1,nil)
		if #g>0 then
			Duel.HintSelection(g)
			local e1=Effect.CreateEffect(e:GetHandler())
			e1:SetType(EFFECT_TYPE_SINGLE)
			e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
			e1:SetCode(EFFECT_SET_BASE_ATTACK)
			e1:SetValue(1500)
			e1:SetReset(RESETS_STANDARD_PHASE_END)
			g:GetFirst():RegisterEffect(e1)
		end
	end
end