local cm,m=GetID()
cm.name="双刃幻龙"
function cm.initial_effect(c)
	--Atk Up
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(m,0))
	e1:SetCategory(CATEGORY_ATKCHANGE)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCondition(cm.condition)
	e1:SetCost(cm.cost)
	e1:SetTarget(cm.target)
	e1:SetOperation(cm.operation)
	c:RegisterEffect(e1)
end
--Atk Up
function cm.confilter1(c)
	return c:IsRace(RACE_DRAGON) or c:IsRace(RACE_HYDRAGON)
end
function cm.confilter2(c)
	return c:IsType(TYPE_MONSTER) and not cm.confilter1(c)
end
function cm.filter(c)
	return c:IsFaceup() and c:IsLevel(7) and c:IsAttribute(ATTRIBUTE_DARK)
		and c:IsRace(RACE_DRAGON) and c:IsAttack(2500)
end
function cm.condition(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsExistingMatchingCard(cm.confilter1,tp,LOCATION_GRAVE,0,1,nil)
		and not Duel.IsExistingMatchingCard(cm.confilter2,tp,LOCATION_GRAVE,0,1,nil)
end
cm.cost=RD.CostChangeSelfPosition()
function cm.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(cm.filter,tp,LOCATION_MZONE,0,1,nil) end
end
function cm.operation(e,tp,eg,ep,ev,re,r,rp)
	RD.SelectAndDoAction(aux.Stringid(m,1),cm.filter,tp,LOCATION_MZONE,0,1,1,nil,function(g)
		local tc=g:GetFirst()
		RD.AttachAtkDef(e,tc,500,0,RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_END)
		RD.AttachExtraAttackMonster(e,tc,1,aux.Stringid(m,2),RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_END)
	end)
end