--グレイストーム・レヴェリー
--Greystorm Reverie
local s,id=GetID()
function s.initial_effect(c)
	--Increase ATK
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_ATKCHANGE)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCountLimit(1)
	e1:SetCost(s.cost)
	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_ONFIELD,0,1,e:GetHandler()) 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_ONFIELD,0,1,1,c)
	if Duel.SendtoGrave(g,REASON_COST)==0 then return end
	--Effect
	if not (c:IsRelateToEffect(e) and c:IsFaceup()) then return end
	--Increase ATK
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_UPDATE_ATTACK)
	e1:SetReset(RESETS_STANDARD_DISABLE_PHASE_END)
	e1:SetValue(500)
	c:RegisterEffect(e1)
	if not Duel.IsExistingMatchingCard(Card.IsSpellTrap,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,1,nil) then
		--Can make up to 2 attacks on monsters
		local e2=Effect.CreateEffect(c)
		e2:SetType(EFFECT_TYPE_SINGLE)
		e2:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
		e2:SetRange(LOCATION_MZONE)
		e2:SetCode(EFFECT_EXTRA_ATTACK_MONSTER)
		e2:SetValue(1)
		e2:SetReset(RESETS_STANDARD_DISABLE_PHASE_END)
		c:RegisterEffect(e2)
	end
end
