--ドラゴン·アイス
function c64262809.initial_effect(c)
	--spsummon
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(64262809,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e1:SetProperty(EFFECT_FLAG_CHAIN_UNIQUE)
	e1:SetRange(LOCATION_HAND+LOCATION_GRAVE)
	e1:SetCode(EVENT_SPSUMMON_SUCCESS)
	e1:SetCondition(c64262809.spcon)
	e1:SetCost(c64262809.spcost)
	e1:SetTarget(c64262809.sptg)
	e1:SetOperation(c64262809.spop)
	c:RegisterEffect(e1)
	--only 1 can exists
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_SINGLE)
	e3:SetCode(EFFECT_CANNOT_SUMMON)
	e3:SetCondition(c64262809.excon)
	c:RegisterEffect(e3)
	local e4=e3:Clone()
	e4:SetCode(EFFECT_CANNOT_FLIP_SUMMON)
	c:RegisterEffect(e4)
	local e5=Effect.CreateEffect(c)
	e5:SetType(EFFECT_TYPE_SINGLE)
	e5:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_UNCOPYABLE)
	e5:SetCode(EFFECT_SPSUMMON_CONDITION)
	e5:SetValue(c64262809.splimit)
	c:RegisterEffect(e5)
	local e6=Effect.CreateEffect(c)
	e6:SetType(EFFECT_TYPE_SINGLE)
	e6:SetCode(EFFECT_SELF_DESTROY)
	e6:SetCondition(c64262809.descon)
	c:RegisterEffect(e6)
end
function c64262809.cfilter(c,tp)
	return c:GetSummonPlayer()==1-tp
end
function c64262809.spcon(e,tp,eg,ep,ev,re,r,rp)
	return eg:IsExists(c64262809.cfilter,1,nil,tp)
end
function c64262809.spcost(e,tp,eg,ep,ev,re,r,rp,chk)
	local exc=(e:GetHandler():IsLocation(LOCATION_HAND) and not e:GetHandler():IsAbleToGraveAsCost()) and e:GetHandler() or nil
	if chk==0 then return Duel.IsExistingMatchingCard(Card.IsDiscardable,tp,LOCATION_HAND,0,1,exc) end
	Duel.DiscardHand(tp,Card.IsDiscardable,1,1,REASON_COST+REASON_DISCARD,exc)
end
function c64262809.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and e:GetHandler():IsCanBeSpecialSummoned(e,0,tp,false,false) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,e:GetHandler(),1,0,0)
end
function c64262809.spop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsLocation(LOCATION_HAND+LOCATION_GRAVE) then
		Duel.SpecialSummon(c,0,tp,tp,false,false,POS_FACEUP)
	end
end
function c64262809.exfilter(c,fid)
	return c:IsFaceup() and c:GetCode()==64262809 and (fid==nil or c:GetFieldID()<fid)
end
function c64262809.excon(e)
	local c=e:GetHandler()
	return Duel.IsExistingMatchingCard(c64262809.exfilter,c:GetControler(),LOCATION_ONFIELD,LOCATION_ONFIELD,1,nil)
end
function c64262809.splimit(e,se,sp,st,spos,tgp)
	if bit.band(spos,POS_FACEDOWN)~=0 then return true end
	return not Duel.IsExistingMatchingCard(c64262809.exfilter,tgp,LOCATION_ONFIELD,LOCATION_ONFIELD,1,nil)
end
function c64262809.descon(e)
	local c=e:GetHandler()
	return Duel.IsExistingMatchingCard(c64262809.exfilter,c:GetControler(),LOCATION_ONFIELD,LOCATION_ONFIELD,1,nil,c:GetFieldID())
end
