--Verglascent Crystal Drake
local cid,id=GetID()
function cid.initial_effect(c)
	--special summon
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e1:SetProperty(EFFECT_FLAG_DELAY)
	e1:SetCode(EVENT_SUMMON_SUCCESS)
	e1:SetRange(LOCATION_HAND)
	e1:SetCountLimit(1,id)
	e1:SetCondition(cid.spcon)
	e1:SetTarget(cid.sptg)
	e1:SetOperation(cid.spop)
	c:RegisterEffect(e1)
	local e2=e1:Clone()
	e2:SetCode(EVENT_SPSUMMON_SUCCESS)
	c:RegisterEffect(e2)
	--atk
	local e3=Effect.CreateEffect(c)
	e3:SetCategory(CATEGORY_ATKCHANGE+CATEGORY_DRAW)
	e3:SetType(EFFECT_TYPE_IGNITION)
	e3:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e3:SetRange(LOCATION_MZONE)
	e3:SetCountLimit(1,id+100)
	e3:SetTarget(cid.target)
	e3:SetOperation(cid.operation)
	c:RegisterEffect(e3)
end
function cid.spfilter(c,tp)
	return c:IsFaceup() and c:IsControler(tp) and c:IsSetCard(0x1996) and not c:IsCode(id)
end
function cid.spcon(e,tp,eg,ep,ev,re,r,rp)
	return eg:IsExists(cid.spfilter,1,nil,tp)
end
function cid.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 cid.spop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsRelateToEffect(e) and Duel.SpecialSummon(c,0,tp,tp,false,false,POS_FACEUP)~=0 then
	local e1=Effect.CreateEffect(c)
     	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
   	e1:SetCode(EFFECT_LEAVE_FIELD_REDIRECT)
    	e1:SetValue(LOCATION_DECKSHF)
     	e1:SetReset(RESET_EVENT+0x47e0000)
     	c:RegisterEffect(e1,true)
	end
end
function cid.filter(c)
	return c:IsFaceup() and c:GetBaseAttack()>0
end
function cid.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_MZONE) and cid.filter(chkc) end
	if chk==0 then return Duel.IsExistingTarget(cid.filter,tp,0,LOCATION_MZONE,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_FACEUP)
	Duel.SelectTarget(tp,cid.filter,tp,0,LOCATION_MZONE,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_DRAW,nil,0,tp,1)
end
function cid.operation(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) and tc:IsFaceup() then
		local atk=tc:GetAttack()
		local batk=tc:GetBaseAttack()
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_UPDATE_ATTACK)
		if atk>=batk then
			e1:SetValue(-300)
			e1:SetReset(RESET_EVENT+RESETS_STANDARD)
			tc:RegisterEffect(e1)
		else
			Duel.Draw(tp,1,REASON_EFFECT)
		end
	end
end