name: Mystrick
card_text: If this card is Normal or Special Summoned: You can discard 1 card; apply the following effect, depending on the type of card discarded.
  ● Monster: Add 1 Trap from your GY to your hand.
  ● Spell: Add 1 monster from your GY to your hand.
  ● Trap: Add 1 Spell from your GY to your hand.
  You can only use this effect of "Mystrick Hulder" once per turn.
lua: local s, id, o = GetID()
  function s.initial_effect(c)
  	--to hand
  	local e1 = Effect.CreateEffect(c)
  	e1:SetCategory(CATEGORY_TOHAND)
  	e1:SetType(EFFECT_TYPE_SINGLE + EFFECT_TYPE_TRIGGER_O)
  	e1:SetCode(EVENT_SUMMON_SUCCESS)
  	e1:SetProperty(EFFECT_FLAG_DELAY)
  	e1:SetCountLimit(1, id)
  	e1:SetCost(s.cost)
  	e1:SetTarget(s.target)
  	e1:SetOperation(s.operation)
  	c:RegisterEffect(e1)
  	local e2 = e1:Clone()
  	e2:SetCode(EVENT_SPSUMMON_SUCCESS)
  	c:RegisterEffect(e2)
  end
  function s.cfilter(c, tp)
  	if not c:IsDiscardable() then
  		return false
  	end
  	local ty = c:GetType() & (TYPE_MONSTER + TYPE_SPELL + TYPE_TRAP)
  	local log = math.log(ty) / math.log(2)
  	return Duel.IsExistingMatchingCard(s.filter, tp, LOCATION_GRAVE, 0, 1, nil, 2 ^ ((log + 2) % 3))
  end
  function s.filter(c, ty)
  	return c:IsType(ty) and c:IsAbleToHand()
  end
  function s.cost(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return Duel.IsExistingMatchingCard(s.cfilter, tp, LOCATION_HAND, 0, 1, nil, tp)
  	end
  	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_DISCARD)
  	local g = Duel.SelectMatchingCard(tp, s.cfilter, tp, LOCATION_HAND, 0, 1, 1, nil, tp)
  	local ty = g:GetFirst():GetType() & (TYPE_MONSTER + TYPE_SPELL + TYPE_TRAP)
  	local log = math.log(ty) / math.log(2)
  	e:SetLabel(2 ^ ((log + 2) % 3))
  	Duel.SendtoGrave(g, REASON_COST + REASON_DISCARD)
  end
  function s.target(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return true
  	end
  	Duel.SetOperationInfo(0, CATEGORY_TOHAND, nil, 1, tp, LOCATION_GRAVE)
  end
  function s.operation(e, tp, eg, ep, ev, re, r, rp)
  	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_ATOHAND)
  	local g = Duel.SelectMatchingCard(tp, aux.NecroValleyFilter(s.filter), tp, LOCATION_GRAVE, 0, 1, 1, nil, e:GetLabel())
  	if #g > 0 then
  		Duel.SendtoHand(g, nil, REASON_EFFECT)
  		Duel.ConfirmCards(1 - tp, g)
  	end
  end
  
  
source_text: Mystrick
  If this card is Normal or Special Summoned: You can discard 1 card; apply the following effect, depending on the type of card discarded.
  ● Monster: Add 1 Trap from your GY to your hand.
  ● Spell: Add 1 monster from your GY to your hand.
  ● Trap: Add 1 Spell from your GY to your hand.
  You can only use this effect of "Mystrick Hulder" once per turn.
target_text: -- Mystrick
  local s, id, o = GetID()
  function s.initial_effect(c)
  	--to hand
  	local e1 = Effect.CreateEffect(c)
  	e1:SetCategory(CATEGORY_TOHAND)
  	e1:SetType(EFFECT_TYPE_SINGLE + EFFECT_TYPE_TRIGGER_O)
  	e1:SetCode(EVENT_SUMMON_SUCCESS)
  	e1:SetProperty(EFFECT_FLAG_DELAY)
  	e1:SetCountLimit(1, id)
  	e1:SetCost(s.cost)
  	e1:SetTarget(s.target)
  	e1:SetOperation(s.operation)
  	c:RegisterEffect(e1)
  	local e2 = e1:Clone()
  	e2:SetCode(EVENT_SPSUMMON_SUCCESS)
  	c:RegisterEffect(e2)
  end
  function s.cfilter(c, tp)
  	if not c:IsDiscardable() then
  		return false
  	end
  	local ty = c:GetType() & (TYPE_MONSTER + TYPE_SPELL + TYPE_TRAP)
  	local log = math.log(ty) / math.log(2)
  	return Duel.IsExistingMatchingCard(s.filter, tp, LOCATION_GRAVE, 0, 1, nil, 2 ^ ((log + 2) % 3))
  end
  function s.filter(c, ty)
  	return c:IsType(ty) and c:IsAbleToHand()
  end
  function s.cost(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return Duel.IsExistingMatchingCard(s.cfilter, tp, LOCATION_HAND, 0, 1, nil, tp)
  	end
  	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_DISCARD)
  	local g = Duel.SelectMatchingCard(tp, s.cfilter, tp, LOCATION_HAND, 0, 1, 1, nil, tp)
  	local ty = g:GetFirst():GetType() & (TYPE_MONSTER + TYPE_SPELL + TYPE_TRAP)
  	local log = math.log(ty) / math.log(2)
  	e:SetLabel(2 ^ ((log + 2) % 3))
  	Duel.SendtoGrave(g, REASON_COST + REASON_DISCARD)
  end
  function s.target(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return true
  	end
  	Duel.SetOperationInfo(0, CATEGORY_TOHAND, nil, 1, tp, LOCATION_GRAVE)
  end
  function s.operation(e, tp, eg, ep, ev, re, r, rp)
  	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_ATOHAND)
  	local g = Duel.SelectMatchingCard(tp, aux.NecroValleyFilter(s.filter), tp, LOCATION_GRAVE, 0, 1, 1, nil, e:GetLabel())
  	if #g > 0 then
  		Duel.SendtoHand(g, nil, REASON_EFFECT)
  		Duel.ConfirmCards(1 - tp, g)
  	end
  end
  
  