name: Megalith
card_text: You can target 1 "Megalith" monster in your GY; Special Summon it in Defense Position, but place it on the bottom of the Deck when it leaves the field (even if this card leaves the field). You can only use this effect of "Megalith Emergence" once per turn.
external_ids: local SETCARD_ID_0 = 0x138 --Megalith
  
lua: local SETCARD_ID_0 = 0x138 --Megalith
  local s, id, o = GetID()
  function s.initial_effect(c)
  	--activate
  	local e0 = Effect.CreateEffect(c)
  	e0:SetType(EFFECT_TYPE_ACTIVATE)
  	e0:SetCode(EVENT_FREE_CHAIN)
  	c:RegisterEffect(e0)
  	--spsummon
  	local e1 = Effect.CreateEffect(c)
  	e1:SetDescription(aux.Stringid(id, 0))
  	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
  	e1:SetType(EFFECT_TYPE_QUICK_O)
  	e1:SetCode(EVENT_FREE_CHAIN)
  	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
  	e1:SetRange(LOCATION_SZONE)
  	e1:SetCountLimit(1, id)
  	e1:SetTarget(s.sptg)
  	e1:SetOperation(s.spop)
  	c:RegisterEffect(e1)
  end
  function s.filter(c, e, tp)
  	return c:IsSetCard(SETCARD_ID_0) and c:IsCanBeSpecialSummoned(e, 0, tp, false, false, POS_FACEUP_DEFENSE)
  end
  function s.sptg(e, tp, eg, ep, ev, re, r, rp, chk, chkc)
  	if chkc then
  		return chkc:IsLocation(LOCATION_GRAVE) and chkc:IsControler(tp) and s.filter(chkc, e, tp)
  	end
  	if chk == 0 then
  		return Duel.GetLocationCount(tp, LOCATION_MZONE) > 0 and Duel.IsExistingTarget(s.filter, tp, LOCATION_GRAVE, 0, 1, nil, e, tp)
  	end
  	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_SPSUMMON)
  	local g = Duel.SelectTarget(tp, s.filter, tp, LOCATION_GRAVE, 0, 1, 1, nil, e, tp)
  	Duel.SetOperationInfo(0, CATEGORY_SPECIAL_SUMMON, g, 1, 0, 0)
  end
  function s.spop(e, tp, eg, ep, ev, re, r, rp)
  	local tc = Duel.GetFirstTarget()
  	if tc:IsRelateToEffect(e) and Duel.SpecialSummon(tc, 0, tp, tp, false, false, POS_FACEUP_DEFENSE) ~= 0 then
  		local e1 = Effect.CreateEffect(e:GetHandler())
  		e1:SetType(EFFECT_TYPE_SINGLE)
  		e1:SetCode(EFFECT_LEAVE_FIELD_REDIRECT)
  		e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
  		e1:SetReset(RESET_EVENT + RESETS_REDIRECT)
  		e1:SetValue(LOCATION_DECKBOT)
  		tc:RegisterEffect(e1, true)
  	end
  end
  
  
source_text: Megalith
  You can target 1 "Megalith" monster in your GY; Special Summon it in Defense Position, but place it on the bottom of the Deck when it leaves the field (even if this card leaves the field). You can only use this effect of "Megalith Emergence" once per turn.
target_text: -- Megalith
  local SETCARD_ID_0 = 0x138 --Megalith
  local s, id, o = GetID()
  function s.initial_effect(c)
  	--activate
  	local e0 = Effect.CreateEffect(c)
  	e0:SetType(EFFECT_TYPE_ACTIVATE)
  	e0:SetCode(EVENT_FREE_CHAIN)
  	c:RegisterEffect(e0)
  	--spsummon
  	local e1 = Effect.CreateEffect(c)
  	e1:SetDescription(aux.Stringid(id, 0))
  	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
  	e1:SetType(EFFECT_TYPE_QUICK_O)
  	e1:SetCode(EVENT_FREE_CHAIN)
  	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
  	e1:SetRange(LOCATION_SZONE)
  	e1:SetCountLimit(1, id)
  	e1:SetTarget(s.sptg)
  	e1:SetOperation(s.spop)
  	c:RegisterEffect(e1)
  end
  function s.filter(c, e, tp)
  	return c:IsSetCard(SETCARD_ID_0) and c:IsCanBeSpecialSummoned(e, 0, tp, false, false, POS_FACEUP_DEFENSE)
  end
  function s.sptg(e, tp, eg, ep, ev, re, r, rp, chk, chkc)
  	if chkc then
  		return chkc:IsLocation(LOCATION_GRAVE) and chkc:IsControler(tp) and s.filter(chkc, e, tp)
  	end
  	if chk == 0 then
  		return Duel.GetLocationCount(tp, LOCATION_MZONE) > 0 and Duel.IsExistingTarget(s.filter, tp, LOCATION_GRAVE, 0, 1, nil, e, tp)
  	end
  	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_SPSUMMON)
  	local g = Duel.SelectTarget(tp, s.filter, tp, LOCATION_GRAVE, 0, 1, 1, nil, e, tp)
  	Duel.SetOperationInfo(0, CATEGORY_SPECIAL_SUMMON, g, 1, 0, 0)
  end
  function s.spop(e, tp, eg, ep, ev, re, r, rp)
  	local tc = Duel.GetFirstTarget()
  	if tc:IsRelateToEffect(e) and Duel.SpecialSummon(tc, 0, tp, tp, false, false, POS_FACEUP_DEFENSE) ~= 0 then
  		local e1 = Effect.CreateEffect(e:GetHandler())
  		e1:SetType(EFFECT_TYPE_SINGLE)
  		e1:SetCode(EFFECT_LEAVE_FIELD_REDIRECT)
  		e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
  		e1:SetReset(RESET_EVENT + RESETS_REDIRECT)
  		e1:SetValue(LOCATION_DECKBOT)
  		tc:RegisterEffect(e1, true)
  	end
  end
  
  