--オッドアイズ・ファンタズマ・ドラゴン
function c21770839.initial_effect(c)
	--pendulum summon
	aux.EnablePendulumAttribute(c)
	--to hand
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(21770839,0))
	e1:SetCategory(CATEGORY_TOHAND)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_PZONE)
	e1:SetCountLimit(1,21770839)
	e1:SetCost(c21770839.thcost)
	e1:SetTarget(c21770839.thtg)
	e1:SetOperation(c21770839.thop)
	c:RegisterEffect(e1)
	--special summon from hand
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(21770839,1))
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetRange(LOCATION_HAND)
	e2:SetCountLimit(1,21770840)
	e2:SetCondition(c21770839.spcon)
	e2:SetCost(c21770839.spcost)
	e2:SetTarget(c21770839.sptg)
	e2:SetOperation(c21770839.spop)
	c:RegisterEffect(e2)
	--atk up
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(21770839,2))
	e3:SetCategory(CATEGORY_ATKCHANGE)
	e3:SetType(EFFECT_TYPE_TRIGGER_O+EFFECT_TYPE_SINGLE)
	e3:SetCode(EVENT_PRE_DAMAGE_CALCULATE)
	e3:SetCountLimit(1,21770841)
	e3:SetCondition(c21770839.atkcon)
	e3:SetOperation(c21770839.atkop)
	c:RegisterEffect(e3)
	Duel.AddCustomActivityCounter(21770839,ACTIVITY_SPSUMMON,c21770839.counterfilter)
end
function c21770839.counterfilter(c)
	return not c:IsSummonType(SUMMON_TYPE_PENDULUM)
end
function c21770839.thcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(Card.IsDiscardable,tp,LOCATION_HAND,0,1,nil) end
	Duel.DiscardHand(tp,Card.IsDiscardable,1,1,REASON_COST+REASON_DISCARD)
end
function c21770839.thfilter(c)
	return c:IsFaceup() and c:IsRace(RACE_DRAGON) and c:IsType(TYPE_PENDULUM) and c:IsAbleToHand()
end
function c21770839.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(c21770839.thfilter,tp,LOCATION_EXTRA,0,1,nil) end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_EXTRA)
end
function c21770839.thop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectMatchingCard(tp,c21770839.thfilter,tp,LOCATION_EXTRA,0,1,1,nil)
	if g:GetCount()>0 then
		Duel.SendtoHand(g,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,g)
	end
end
function c21770839.exfilter(c)
	return c:IsFaceup() and c:IsSetCard(0x99) and c:IsType(TYPE_PENDULUM)
end
function c21770839.spcon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.GetFieldCard(tp,LOCATION_PZONE,0) and Duel.GetFieldCard(tp,LOCATION_PZONE,1)
		and Duel.IsExistingMatchingCard(c21770839.exfilter,tp,LOCATION_EXTRA,0,1,nil)
end
function c21770839.spcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetCustomActivityCount(21770839,tp,ACTIVITY_SPSUMMON)==0 end
	local e1=Effect.CreateEffect(e:GetHandler())
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetCode(EFFECT_CANNOT_SPECIAL_SUMMON)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e1:SetReset(RESET_PHASE+PHASE_END)
	e1:SetTarget(c21770839.splimit)
	e1:SetTargetRange(1,0)
	Duel.RegisterEffect(e1,tp)
end
function c21770839.splimit(e,c,sump,sumtype,sumpos,targetp,se)
	return bit.band(sumtype,SUMMON_TYPE_PENDULUM)==SUMMON_TYPE_PENDULUM
end
function c21770839.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 c21770839.spop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if not c:IsRelateToEffect(e) then return end
	Duel.SpecialSummon(c,0,tp,tp,false,false,POS_FACEUP)
end
function c21770839.atkfilter(c)
	return c:IsType(TYPE_PENDULUM) and c:IsFaceup()
end
function c21770839.atkcon(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local d=c:GetBattleTarget()
	local gc=Duel.GetMatchingGroupCount(c21770839.atkfilter,tp,LOCATION_EXTRA,0,nil)
	return c==Duel.GetAttacker() and d and d:IsFaceup() and not d:IsControler(tp) and gc>0
end
function c21770839.atkop(e,tp,eg,ep,ev,re,r,rp)
	local d=Duel.GetAttacker():GetBattleTarget()
	local gc=Duel.GetMatchingGroupCount(c21770839.atkfilter,tp,LOCATION_EXTRA,0,nil)
	if d:IsRelateToBattle() and d:IsFaceup() then
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_UPDATE_ATTACK)
		e1:SetReset(RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_DAMAGE_CAL)
		e1:SetValue(-gc*1000)
		d:RegisterEffect(e1)
	end
end
