name: Subterror
card_text: You can banish 1 "Subterror" monster from your Graveyard; for the rest of this turn, face-down monsters you control cannot be destroyed by card effects, and your opponent cannot target them with card effects. If this card on the field is destroyed by a card effect: You can add 1 "Subterror" monster from your Deck to your hand. You can banish this card from your Graveyard, then target 1 "Subterror" monster you control; change it to face-down Defense Position.
external_ids: local SETCARD_ID_0 = 0xed --Subterror
  
lua: local SETCARD_ID_0 = 0xed --Subterror
  local s, id, o = GetID()
  function s.initial_effect(c)
  	--activate
  	local e1 = Effect.CreateEffect(c)
  	e1:SetType(EFFECT_TYPE_ACTIVATE)
  	e1:SetCode(EVENT_FREE_CHAIN)
  	e1:SetCost(s.cost)
  	e1:SetOperation(s.activate)
  	c:RegisterEffect(e1)
  	--search
  	local e2 = Effect.CreateEffect(c)
  	e2:SetCategory(CATEGORY_TOHAND + CATEGORY_SEARCH)
  	e2:SetType(EFFECT_TYPE_SINGLE + EFFECT_TYPE_TRIGGER_O)
  	e2:SetProperty(EFFECT_FLAG_DAMAGE_STEP + EFFECT_FLAG_DELAY)
  	e2:SetCode(EVENT_DESTROYED)
  	e2:SetCondition(s.thcon)
  	e2:SetTarget(s.thtg)
  	e2:SetOperation(s.thop)
  	c:RegisterEffect(e2)
  	--change pos
  	local e3 = Effect.CreateEffect(c)
  	e3:SetDescription(aux.Stringid(id, 0))
  	e3:SetCategory(CATEGORY_POSITION)
  	e3:SetType(EFFECT_TYPE_QUICK_O)
  	e3:SetCode(EVENT_FREE_CHAIN)
  	e3:SetRange(LOCATION_GRAVE)
  	e3:SetProperty(EFFECT_FLAG_CARD_TARGET)
  	e3:SetHintTiming(TIMING_BATTLE_PHASE, TIMINGS_CHECK_MONSTER + TIMING_END_PHASE + TIMING_BATTLE_PHASE)
  	e3:SetCost(aux.bfgcost)
  	e3:SetTarget(s.postg)
  	e3:SetOperation(s.posop)
  	c:RegisterEffect(e3)
  end
  function s.cfilter(c)
  	return c:IsSetCard(SETCARD_ID_0) and c:IsType(TYPE_MONSTER) and c:IsAbleToRemoveAsCost()
  end
  function s.cost(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return Duel.IsExistingMatchingCard(s.cfilter, tp, LOCATION_GRAVE, 0, 1, nil)
  	end
  	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_REMOVE)
  	local g = Duel.SelectMatchingCard(tp, s.cfilter, tp, LOCATION_GRAVE, 0, 1, 1, nil)
  	Duel.Remove(g, POS_FACEUP, REASON_COST)
  end
  function s.activate(e, tp, eg, ep, ev, re, r, rp)
  	local e1 = Effect.CreateEffect(e:GetHandler())
  	e1:SetType(EFFECT_TYPE_FIELD)
  	e1:SetCode(EFFECT_INDESTRUCTABLE_EFFECT)
  	e1:SetProperty(EFFECT_FLAG_SET_AVAILABLE)
  	e1:SetTargetRange(LOCATION_ONFIELD, 0)
  	e1:SetTarget(s.tgfilter)
  	e1:SetValue(1)
  	e1:SetReset(RESET_PHASE + PHASE_END)
  	Duel.RegisterEffect(e1, tp)
  	local e2 = e1:Clone()
  	e2:SetCode(EFFECT_CANNOT_BE_EFFECT_TARGET)
  	e2:SetProperty(EFFECT_FLAG_SET_AVAILABLE + EFFECT_FLAG_IGNORE_IMMUNE)
  	e2:SetValue(aux.tgoval)
  	Duel.RegisterEffect(e2, tp)
  end
  function s.tgfilter(e, c)
  	return c:IsFacedown() and c:IsLocation(LOCATION_MZONE)
  end
  function s.thcon(e, tp, eg, ep, ev, re, r, rp)
  	local c = e:GetHandler()
  	return c:IsReason(REASON_EFFECT) and c:IsPreviousLocation(LOCATION_ONFIELD)
  end
  function s.thfilter(c)
  	return c:IsSetCard(SETCARD_ID_0) and c:IsType(TYPE_MONSTER) and c:IsAbleToHand()
  end
  function s.thtg(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return Duel.IsExistingMatchingCard(s.thfilter, tp, LOCATION_DECK, 0, 1, nil)
  	end
  	Duel.SetOperationInfo(0, CATEGORY_TOHAND, nil, 1, tp, LOCATION_DECK)
  end
  function s.thop(e, tp, eg, ep, ev, re, r, rp)
  	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_ATOHAND)
  	local g = Duel.SelectMatchingCard(tp, s.thfilter, tp, LOCATION_DECK, 0, 1, 1, nil)
  	if g:GetCount() > 0 then
  		Duel.SendtoHand(g, nil, REASON_EFFECT)
  		Duel.ConfirmCards(1 - tp, g)
  	end
  end
  function s.filter(c)
  	return c:IsFaceup() and c:IsSetCard(SETCARD_ID_0) and c:IsCanTurnSet()
  end
  function s.postg(e, tp, eg, ep, ev, re, r, rp, chk, chkc)
  	if chkc then
  		return chkc:IsControler(tp) and chkc:IsLocation(LOCATION_MZONE) and s.filter(chkc)
  	end
  	if chk == 0 then
  		return Duel.IsExistingTarget(s.filter, tp, LOCATION_MZONE, 0, 1, nil)
  	end
  	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_POSCHANGE)
  	local g = Duel.SelectTarget(tp, s.filter, tp, LOCATION_MZONE, 0, 1, 1, nil)
  	Duel.SetOperationInfo(0, CATEGORY_POSITION, g, 1, 0, 0)
  end
  function s.posop(e, tp, eg, ep, ev, re, r, rp)
  	local tc = Duel.GetFirstTarget()
  	if tc:IsFaceup() and tc:IsRelateToEffect(e) then
  		Duel.ChangePosition(tc, POS_FACEDOWN_DEFENSE)
  	end
  end
  
  
source_text: Subterror
  You can banish 1 "Subterror" monster from your Graveyard; for the rest of this turn, face-down monsters you control cannot be destroyed by card effects, and your opponent cannot target them with card effects. If this card on the field is destroyed by a card effect: You can add 1 "Subterror" monster from your Deck to your hand. You can banish this card from your Graveyard, then target 1 "Subterror" monster you control; change it to face-down Defense Position.
target_text: -- Subterror
  local SETCARD_ID_0 = 0xed --Subterror
  local s, id, o = GetID()
  function s.initial_effect(c)
  	--activate
  	local e1 = Effect.CreateEffect(c)
  	e1:SetType(EFFECT_TYPE_ACTIVATE)
  	e1:SetCode(EVENT_FREE_CHAIN)
  	e1:SetCost(s.cost)
  	e1:SetOperation(s.activate)
  	c:RegisterEffect(e1)
  	--search
  	local e2 = Effect.CreateEffect(c)
  	e2:SetCategory(CATEGORY_TOHAND + CATEGORY_SEARCH)
  	e2:SetType(EFFECT_TYPE_SINGLE + EFFECT_TYPE_TRIGGER_O)
  	e2:SetProperty(EFFECT_FLAG_DAMAGE_STEP + EFFECT_FLAG_DELAY)
  	e2:SetCode(EVENT_DESTROYED)
  	e2:SetCondition(s.thcon)
  	e2:SetTarget(s.thtg)
  	e2:SetOperation(s.thop)
  	c:RegisterEffect(e2)
  	--change pos
  	local e3 = Effect.CreateEffect(c)
  	e3:SetDescription(aux.Stringid(id, 0))
  	e3:SetCategory(CATEGORY_POSITION)
  	e3:SetType(EFFECT_TYPE_QUICK_O)
  	e3:SetCode(EVENT_FREE_CHAIN)
  	e3:SetRange(LOCATION_GRAVE)
  	e3:SetProperty(EFFECT_FLAG_CARD_TARGET)
  	e3:SetHintTiming(TIMING_BATTLE_PHASE, TIMINGS_CHECK_MONSTER + TIMING_END_PHASE + TIMING_BATTLE_PHASE)
  	e3:SetCost(aux.bfgcost)
  	e3:SetTarget(s.postg)
  	e3:SetOperation(s.posop)
  	c:RegisterEffect(e3)
  end
  function s.cfilter(c)
  	return c:IsSetCard(SETCARD_ID_0) and c:IsType(TYPE_MONSTER) and c:IsAbleToRemoveAsCost()
  end
  function s.cost(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return Duel.IsExistingMatchingCard(s.cfilter, tp, LOCATION_GRAVE, 0, 1, nil)
  	end
  	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_REMOVE)
  	local g = Duel.SelectMatchingCard(tp, s.cfilter, tp, LOCATION_GRAVE, 0, 1, 1, nil)
  	Duel.Remove(g, POS_FACEUP, REASON_COST)
  end
  function s.activate(e, tp, eg, ep, ev, re, r, rp)
  	local e1 = Effect.CreateEffect(e:GetHandler())
  	e1:SetType(EFFECT_TYPE_FIELD)
  	e1:SetCode(EFFECT_INDESTRUCTABLE_EFFECT)
  	e1:SetProperty(EFFECT_FLAG_SET_AVAILABLE)
  	e1:SetTargetRange(LOCATION_ONFIELD, 0)
  	e1:SetTarget(s.tgfilter)
  	e1:SetValue(1)
  	e1:SetReset(RESET_PHASE + PHASE_END)
  	Duel.RegisterEffect(e1, tp)
  	local e2 = e1:Clone()
  	e2:SetCode(EFFECT_CANNOT_BE_EFFECT_TARGET)
  	e2:SetProperty(EFFECT_FLAG_SET_AVAILABLE + EFFECT_FLAG_IGNORE_IMMUNE)
  	e2:SetValue(aux.tgoval)
  	Duel.RegisterEffect(e2, tp)
  end
  function s.tgfilter(e, c)
  	return c:IsFacedown() and c:IsLocation(LOCATION_MZONE)
  end
  function s.thcon(e, tp, eg, ep, ev, re, r, rp)
  	local c = e:GetHandler()
  	return c:IsReason(REASON_EFFECT) and c:IsPreviousLocation(LOCATION_ONFIELD)
  end
  function s.thfilter(c)
  	return c:IsSetCard(SETCARD_ID_0) and c:IsType(TYPE_MONSTER) and c:IsAbleToHand()
  end
  function s.thtg(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return Duel.IsExistingMatchingCard(s.thfilter, tp, LOCATION_DECK, 0, 1, nil)
  	end
  	Duel.SetOperationInfo(0, CATEGORY_TOHAND, nil, 1, tp, LOCATION_DECK)
  end
  function s.thop(e, tp, eg, ep, ev, re, r, rp)
  	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_ATOHAND)
  	local g = Duel.SelectMatchingCard(tp, s.thfilter, tp, LOCATION_DECK, 0, 1, 1, nil)
  	if g:GetCount() > 0 then
  		Duel.SendtoHand(g, nil, REASON_EFFECT)
  		Duel.ConfirmCards(1 - tp, g)
  	end
  end
  function s.filter(c)
  	return c:IsFaceup() and c:IsSetCard(SETCARD_ID_0) and c:IsCanTurnSet()
  end
  function s.postg(e, tp, eg, ep, ev, re, r, rp, chk, chkc)
  	if chkc then
  		return chkc:IsControler(tp) and chkc:IsLocation(LOCATION_MZONE) and s.filter(chkc)
  	end
  	if chk == 0 then
  		return Duel.IsExistingTarget(s.filter, tp, LOCATION_MZONE, 0, 1, nil)
  	end
  	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_POSCHANGE)
  	local g = Duel.SelectTarget(tp, s.filter, tp, LOCATION_MZONE, 0, 1, 1, nil)
  	Duel.SetOperationInfo(0, CATEGORY_POSITION, g, 1, 0, 0)
  end
  function s.posop(e, tp, eg, ep, ev, re, r, rp)
  	local tc = Duel.GetFirstTarget()
  	if tc:IsFaceup() and tc:IsRelateToEffect(e) then
  		Duel.ChangePosition(tc, POS_FACEDOWN_DEFENSE)
  	end
  end
  
  