name: Magma
card_text: When this card is Special Summoned: You can target 1 Wyrm-Type monster in your Graveyard, except "Magma Dragon"; Special Summon it in Defense Position, but its effects are negated. You can only use this effect of "Magma Dragon" once per turn. You cannot Special Summon monsters the turn you activate this effect, except Wyrm-Type monsters.
lua: local s, id, o = GetID()
  function s.initial_effect(c)
  	--spsummon
  	local e1 = Effect.CreateEffect(c)
  	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
  	e1:SetType(EFFECT_TYPE_SINGLE + EFFECT_TYPE_TRIGGER_O)
  	e1:SetCode(EVENT_SPSUMMON_SUCCESS)
  	e1:SetProperty(EFFECT_FLAG_CARD_TARGET + EFFECT_FLAG_DAMAGE_STEP)
  	e1:SetCountLimit(1, id)
  	e1:SetCost(s.cost)
  	e1:SetTarget(s.target)
  	e1:SetOperation(s.operation)
  	c:RegisterEffect(e1)
  	Duel.AddCustomActivityCounter(id, ACTIVITY_SPSUMMON, s.counterfilter)
  end
  function s.counterfilter(c)
  	return c:IsRace(RACE_WYRM)
  end
  function s.cost(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return Duel.GetCustomActivityCount(id, tp, ACTIVITY_SPSUMMON) == 0
  	end
  	local e1 = Effect.CreateEffect(e:GetHandler())
  	e1:SetType(EFFECT_TYPE_FIELD)
  	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET + EFFECT_FLAG_OATH)
  	e1:SetCode(EFFECT_CANNOT_SPECIAL_SUMMON)
  	e1:SetReset(RESET_PHASE + PHASE_END)
  	e1:SetTargetRange(1, 0)
  	e1:SetTarget(s.splimit)
  	Duel.RegisterEffect(e1, tp)
  end
  function s.splimit(e, c)
  	return c:GetRace() ~= RACE_WYRM
  end
  function s.filter(c, e, tp)
  	return c:IsRace(RACE_WYRM) and not c:IsCode(id) and c:IsCanBeSpecialSummoned(e, 0, tp, false, false, POS_FACEUP_DEFENSE)
  end
  function s.target(e, tp, eg, ep, ev, re, r, rp, chk, chkc)
  	if chkc then
  		return chkc:IsControler(tp) and chkc:IsLocation(LOCATION_GRAVE) 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.operation(e, tp, eg, ep, ev, re, r, rp)
  	local c = e:GetHandler()
  	local tc = Duel.GetFirstTarget()
  	if tc:IsRelateToEffect(e) and Duel.SpecialSummonStep(tc, 0, tp, tp, false, false, POS_FACEUP_DEFENSE) then
  		local e1 = Effect.CreateEffect(c)
  		e1:SetType(EFFECT_TYPE_SINGLE)
  		e1:SetCode(EFFECT_DISABLE)
  		e1:SetReset(RESET_EVENT + RESETS_STANDARD)
  		tc:RegisterEffect(e1)
  		local e2 = Effect.CreateEffect(c)
  		e2:SetType(EFFECT_TYPE_SINGLE)
  		e2:SetCode(EFFECT_DISABLE_EFFECT)
  		e2:SetValue(RESET_TURN_SET)
  		e2:SetReset(RESET_EVENT + RESETS_STANDARD)
  		tc:RegisterEffect(e2)
  	end
  	Duel.SpecialSummonComplete()
  end
  
  
source_text: Magma
  When this card is Special Summoned: You can target 1 Wyrm-Type monster in your Graveyard, except "Magma Dragon"; Special Summon it in Defense Position, but its effects are negated. You can only use this effect of "Magma Dragon" once per turn. You cannot Special Summon monsters the turn you activate this effect, except Wyrm-Type monsters.
target_text: -- Magma
  local s, id, o = GetID()
  function s.initial_effect(c)
  	--spsummon
  	local e1 = Effect.CreateEffect(c)
  	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
  	e1:SetType(EFFECT_TYPE_SINGLE + EFFECT_TYPE_TRIGGER_O)
  	e1:SetCode(EVENT_SPSUMMON_SUCCESS)
  	e1:SetProperty(EFFECT_FLAG_CARD_TARGET + EFFECT_FLAG_DAMAGE_STEP)
  	e1:SetCountLimit(1, id)
  	e1:SetCost(s.cost)
  	e1:SetTarget(s.target)
  	e1:SetOperation(s.operation)
  	c:RegisterEffect(e1)
  	Duel.AddCustomActivityCounter(id, ACTIVITY_SPSUMMON, s.counterfilter)
  end
  function s.counterfilter(c)
  	return c:IsRace(RACE_WYRM)
  end
  function s.cost(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return Duel.GetCustomActivityCount(id, tp, ACTIVITY_SPSUMMON) == 0
  	end
  	local e1 = Effect.CreateEffect(e:GetHandler())
  	e1:SetType(EFFECT_TYPE_FIELD)
  	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET + EFFECT_FLAG_OATH)
  	e1:SetCode(EFFECT_CANNOT_SPECIAL_SUMMON)
  	e1:SetReset(RESET_PHASE + PHASE_END)
  	e1:SetTargetRange(1, 0)
  	e1:SetTarget(s.splimit)
  	Duel.RegisterEffect(e1, tp)
  end
  function s.splimit(e, c)
  	return c:GetRace() ~= RACE_WYRM
  end
  function s.filter(c, e, tp)
  	return c:IsRace(RACE_WYRM) and not c:IsCode(id) and c:IsCanBeSpecialSummoned(e, 0, tp, false, false, POS_FACEUP_DEFENSE)
  end
  function s.target(e, tp, eg, ep, ev, re, r, rp, chk, chkc)
  	if chkc then
  		return chkc:IsControler(tp) and chkc:IsLocation(LOCATION_GRAVE) 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.operation(e, tp, eg, ep, ev, re, r, rp)
  	local c = e:GetHandler()
  	local tc = Duel.GetFirstTarget()
  	if tc:IsRelateToEffect(e) and Duel.SpecialSummonStep(tc, 0, tp, tp, false, false, POS_FACEUP_DEFENSE) then
  		local e1 = Effect.CreateEffect(c)
  		e1:SetType(EFFECT_TYPE_SINGLE)
  		e1:SetCode(EFFECT_DISABLE)
  		e1:SetReset(RESET_EVENT + RESETS_STANDARD)
  		tc:RegisterEffect(e1)
  		local e2 = Effect.CreateEffect(c)
  		e2:SetType(EFFECT_TYPE_SINGLE)
  		e2:SetCode(EFFECT_DISABLE_EFFECT)
  		e2:SetValue(RESET_TURN_SET)
  		e2:SetReset(RESET_EVENT + RESETS_STANDARD)
  		tc:RegisterEffect(e2)
  	end
  	Duel.SpecialSummonComplete()
  end
  
  