--No.94 Crystalzero
Duel.LoadCardScript("c62070231.lua")
local s,id=GetID()
function s.initial_effect(c)
	--xyz summon
	Xyz.AddProcedure(c,nil,5,2)
	c:EnableReviveLimit()
	--atk down
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(62070231,0))
	e1:SetCategory(CATEGORY_ATKCHANGE)
	e1:SetProperty(EFFECT_FLAG_DAMAGE_STEP)
	e1:SetType(EFFECT_TYPE_QUICK_O)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetRange(LOCATION_MZONE)
	e1:SetHintTiming(TIMING_DAMAGE_STEP)
	e1:SetCondition(s.condition)
	e1:SetCost(Cost.DetachFromSelf(1))
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
	--battle indestructable
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE)
	e2:SetCode(EFFECT_INDESTRUCTABLE_BATTLE)
	e2:SetValue(s.indes)
	c:RegisterEffect(e2)
end
s.xyz_number=94
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	return Duel.GetCurrentPhase()~=PHASE_DAMAGE or not Duel.IsDamageCalculated()
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(Card.IsFaceup,tp,0,LOCATION_MZONE,1,nil) end
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_FACEUP)
	local g=Duel.SelectMatchingCard(tp,Card.IsFaceup,tp,0,LOCATION_MZONE,1,1,nil)
	local tc=g:GetFirst()
	if tc then
		Duel.HintSelection(g)
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_SET_ATTACK_FINAL)
		e1:SetValue(tc:GetAttack()/2)
		e1:SetReset(RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_BATTLE)
		tc:RegisterEffect(e1)
	end
end
function s.indes(e,c)
	return not c:IsSetCard(SET_NUMBER)
end
