--エーリアン・グレイ
function c62437709.initial_effect(c)
	--flip
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_COUNTER)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_FLIP)
	e1:SetTarget(c62437709.target)
	e1:SetOperation(c62437709.operation)
	c:RegisterEffect(e1)
	--draw
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_CONTINUOUS)
	e2:SetCode(EVENT_FLIP)
	e2:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
	e2:SetOperation(c62437709.flop)
	c:RegisterEffect(e2)
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(62437709,0))
	e3:SetCategory(CATEGORY_DRAW)
	e3:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e3:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_F)
	e3:SetCode(EVENT_BATTLE_DESTROYED)
	e3:SetCondition(c62437709.drcon)
	e3:SetTarget(c62437709.drtg)
	e3:SetOperation(c62437709.drop)
	c:RegisterEffect(e3)
	--atk def
	local e4=Effect.CreateEffect(c)
	e4:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
	e4:SetCode(EVENT_DAMAGE_CALCULATING)
	e4:SetRange(LOCATION_MZONE)
	e4:SetOperation(c62437709.adval)
	c:RegisterEffect(e4)
end
function c62437709.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_MZONE) and chkc:IsControler(1-tp) and chkc:IsFaceup() end
	if chk==0 then return true end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_FACEUP)
	local g=Duel.SelectTarget(tp,Card.IsFaceup,tp,0,LOCATION_MZONE,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_COUNTER,g,1,0xe,1)
end
function c62437709.operation(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc and tc:IsFaceup() and tc:IsRelateToEffect(e) then
		tc:AddCounter(0xe,1)
	end
end
function c62437709.flop(e,tp,eg,ep,ev,re,r,rp)
	e:GetHandler():RegisterFlagEffect(62437709,RESET_EVENT+0x17a0000,0,0)
end
function c62437709.drcon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():IsLocation(LOCATION_GRAVE) and e:GetHandler():IsReason(REASON_BATTLE)
		and e:GetHandler():GetFlagEffect(62437709)~=0
end
function c62437709.drtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetTargetPlayer(tp)
	Duel.SetTargetParam(1)
	Duel.SetOperationInfo(0,CATEGORY_DRAW,nil,0,tp,1)
end
function c62437709.drop(e,tp,eg,ep,ev,re,r,rp)
	local p,d=Duel.GetChainInfo(0,CHAININFO_TARGET_PLAYER,CHAININFO_TARGET_PARAM)
	Duel.Draw(p,d,REASON_EFFECT)
end
function c62437709.addown(c,e)
	local e1=Effect.CreateEffect(e:GetHandler())
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_UPDATE_ATTACK)
	e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
	e1:SetReset(RESET_PHASE+PHASE_DAMAGE_CAL)
	e1:SetValue(c:GetCounter(0xe)*-300)
	c:RegisterEffect(e1)
	local e2=e1:Clone()
	e2:SetCode(EFFECT_UPDATE_DEFENCE)
	c:RegisterEffect(e2)
end
function c62437709.adval(e,tp,eg,ep,ev,re,r,rp)
	local a=Duel.GetAttacker()
	local d=Duel.GetAttackTarget()
	if not d then return end
	if a:GetCounter(0xe)>0 and d:IsSetCard(0xc) then c62437709.addown(a,e) end
	if d:GetCounter(0xe)>0 and a:IsSetCard(0xc) then c62437709.addown(d,e) end
end
