--Mantra Counterforce
--Automate ID

local scard,s_id=GetID()

function scard.initial_effect(c)
	Card.IsMantra=Card.IsMantra or (function(tc) return tc:IsSetCard(0x7d0) or (tc:GetCode()>30200 and tc:GetCode()<30230) end)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:Desc(0)
	e1:SetCategory(CATEGORY_NEGATE+CATEGORY_DESTROY)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_CHAINING)
	e1:SetCondition(scard.condition)
	e1:SetCost(scard.cost)
	e1:SetTarget(scard.target)
	e1:SetOperation(scard.activate)
	c:RegisterEffect(e1)
end
function scard.condition(e,tp,eg,ep,ev,re,r,rp)
	return re:IsActiveType(TYPE_MONSTER) and Duel.IsChainNegatable(ev)
end
function scard.cfilter(c)
	return c:NotOnFieldOrFaceup() and c:IsType(TYPE_MONSTER) and c:IsMantra() and c:IsAbleToGraveAsCost()
end
function scard.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(scard.cfilter,tp,LOCATION_MZONE+LOCATION_HAND,0,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOGRAVE)
	local g=Duel.SelectMatchingCard(tp,scard.cfilter,tp,LOCATION_MZONE+LOCATION_HAND,0,1,1,nil)
	Duel.SendtoGrave(g,REASON_COST)
end
function scard.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetOperationInfo(0,CATEGORY_NEGATE,eg,1,0,0)
	local rc=re:GetHandler()
	if rc:IsDestructable() then
		if rc:IsRelateToChain(ev) then
			Duel.SetCardOperationInfo(rc,CATEGORY_DESTROY)
		else
			Duel.SetOperationInfo(0,CATEGORY_DESTROY,nil,0,rc:GetPreviousControler(),rc:GetPreviousLocation())
		end
	end
end
function scard.activate(e,tp,eg,ep,ev,re,r,rp)
	if Duel.NegateActivation(ev) and re:GetHandler():IsRelateToChain(ev) then
		Duel.Destroy(eg,REASON_EFFECT)
	end
end