--竜魔道騎士ガイア
--Gaia the Magical Knight of Dragons
--scripted by CyberCatMan
local s,id=GetID()
function s.initial_effect(c)
	--Fusion summon procedure
	c:EnableReviveLimit()
	Fusion.AddProcMix(c,true,true,aux.FilterBoolFunctionEx(Card.IsSetCard,SET_GAIA_THE_FIERCE_KNIGHT),s.matfilter)
	--Change name
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e1:SetCode(EFFECT_CHANGE_CODE)
	e1:SetRange(LOCATION_MZONE)
	e1:SetValue(CARD_GAIA_CHAMPION)
	c:RegisterEffect(e1)
	--Decrease ATK and destroy target
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetCategory(CATEGORY_ATKCHANGE+CATEGORY_DESTROY)
	e2:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e2:SetType(EFFECT_TYPE_QUICK_O)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCode(EVENT_FREE_CHAIN)
	e2:SetHintTiming(0,TIMINGS_CHECK_MONSTER|TIMING_MAIN_END)
	e2:SetCountLimit(1,id)
	e2:SetCondition(s.descon)
	e2:SetTarget(s.destg)
	e2:SetOperation(s.desop)
	c:RegisterEffect(e2)
	--ATK Up
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id,1))
	e3:SetCategory(CATEGORY_ATKCHANGE)
	e3:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e3:SetCode(EVENT_BATTLE_DESTROYING)
	e3:SetCountLimit(1,{id,1})
	e3:SetCondition(aux.bdocon)
	e3:SetOperation(s.atkop)
	c:RegisterEffect(e3)
end
s.listed_series={SET_GAIA_THE_FIERCE_KNIGHT}
s.listed_names={CARD_GAIA_CHAMPION}
function s.matfilter(c,fc,sumtype,tp)
	return c:IsRace(RACE_DRAGON,fc,sumtype,tp) and c:IsLevel(5)
end
function s.descon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsMainPhase() and e:GetHandler():GetAttack()>=2600
end
function s.destg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	local c=e:GetHandler()
	if chkc then return chkc:IsOnField() and chkc~=c end
	if chk==0 then return Duel.IsExistingTarget(aux.TRUE,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,1,c) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
	local g=Duel.SelectTarget(tp,aux.TRUE,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,1,1,c)
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,g,1,0,0)
end
function s.desop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local tc=Duel.GetFirstTarget()
	if c:IsRelateToEffect(e) and c:UpdateAttack(-2600,RESET_EVENT|RESETS_STANDARD,c)==-2600 then
		if tc and tc:IsRelateToEffect(e) then
			Duel.Destroy(tc,REASON_EFFECT)
		end
	end
end
function s.atkop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsRelateToEffect(e) and c:IsFaceup() then
		local e1=Effect.CreateEffect(c)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_UPDATE_ATTACK)
		e1:SetValue(2600)
		e1:SetReset(RESET_EVENT|RESETS_STANDARD_DISABLE)
		c:RegisterEffect(e1)
	end
end