--ダイナソー・クラッシュ
--Dinosaur Crush
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_DESTROY)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetCondition(s.condition)
	e1:SetCost(s.cost)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
function s.cfilter(c)
	return c:IsFaceup() and c:IsRace(RACE_DINOSAUR) and c:IsLevelAbove(7)
end
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsExistingMatchingCard(s.cfilter,tp,LOCATION_MZONE,0,1,nil)
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,e:GetHandler()) end
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetMatchingGroupCount(Card.IsFacedown,tp,0,LOCATION_ONFIELD,nil)>0 end
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	--Requirement
	local c=e:GetHandler()
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOGRAVE)
	local g=Duel.SelectMatchingCard(tp,Card.IsAbleToGraveAsCost,tp,LOCATION_HAND,0,1,1,e:GetHandler())
	--Effect
	if Duel.SendtoGrave(g,REASON_COST)~=0 then
		--effect
		local dg=Duel.GetMatchingGroup(Card.IsFacedown,tp,0,LOCATION_ONFIELD,nil)
		if #dg>0 then
			local sg=dg:Select(tp,1,1,nil)
			Duel.HintSelection(sg)
			Duel.Destroy(sg,REASON_EFFECT)
		end
	end
end