--サンダー・ブレイク
function c4178474.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_DESTROY)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetHintTiming(TIMING_ATTACK,0x11e0)
	e1:SetCost(c4178474.cost)
	e1:SetTarget(c4178474.target)
	e1:SetOperation(c4178474.activate)
	c:RegisterEffect(e1)
end
function c4178474.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(Card.IsDiscardable,tp,LOCATION_HAND,0,1,e:GetHandler()) end
	Duel.DiscardHand(tp,Card.IsDiscardable,1,1,REASON_COST+REASON_DISCARD)
end
function c4178474.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsOnField() and chkc~=e:GetHandler() end
	if chk==0 then return Duel.IsExistingTarget(Card.IsDestructable,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,1,e:GetHandler()) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
	local g=Duel.SelectTarget(tp,Card.IsDestructable,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,1,1,e:GetHandler())
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,g,1,0,0)
end
function c4178474.activate(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) then
		Duel.Destroy(tc,REASON_EFFECT)
	end
end
