name: Chain
card_text: Activate only when a card on the field is destroyed by a card effect. Select 2 Spell/Trap Cards on the field and destroy them.
lua: local s, id, o = GetID()
  function s.initial_effect(c)
  	--Activate
  	local e1 = Effect.CreateEffect(c)
  	e1:SetCategory(CATEGORY_DESTROY)
  	e1:SetType(EFFECT_TYPE_ACTIVATE)
  	e1:SetCode(EVENT_LEAVE_FIELD)
  	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
  	e1:SetCondition(s.condition)
  	e1:SetTarget(s.target)
  	e1:SetOperation(s.activate)
  	c:RegisterEffect(e1)
  end
  function s.cfilter(c)
  	return c:IsReason(REASON_DESTROY) and c:IsReason(REASON_EFFECT) and c:IsPreviousLocation(LOCATION_ONFIELD)
  end
  function s.condition(e, tp, eg, ep, ev, re, r, rp)
  	return eg:IsExists(s.cfilter, 1, nil)
  end
  function s.filter(c)
  	return c:IsType(TYPE_SPELL + TYPE_TRAP)
  end
  function s.target(e, tp, eg, ep, ev, re, r, rp, chk, chkc)
  	if chkc then
  		return chkc:IsOnField() and s.filter(chkc) and chkc ~= e:GetHandler()
  	end
  	if chk == 0 then
  		return Duel.IsExistingTarget(s.filter, tp, LOCATION_ONFIELD, LOCATION_ONFIELD, 2, e:GetHandler())
  	end
  	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_DESTROY)
  	local g = Duel.SelectTarget(tp, s.filter, tp, LOCATION_ONFIELD, LOCATION_ONFIELD, 2, 2, e:GetHandler())
  	Duel.SetOperationInfo(0, CATEGORY_DESTROY, g, 2, 0, 0)
  end
  function s.activate(e, tp, eg, ep, ev, re, r, rp)
  	local g = Duel.GetChainInfo(0, CHAININFO_TARGET_CARDS):Filter(Card.IsRelateToEffect, nil, e)
  	Duel.Destroy(g, REASON_EFFECT)
  end
  
  
source_text: Chain
  Activate only when a card on the field is destroyed by a card effect. Select 2 Spell/Trap Cards on the field and destroy them.
target_text: -- Chain
  local s, id, o = GetID()
  function s.initial_effect(c)
  	--Activate
  	local e1 = Effect.CreateEffect(c)
  	e1:SetCategory(CATEGORY_DESTROY)
  	e1:SetType(EFFECT_TYPE_ACTIVATE)
  	e1:SetCode(EVENT_LEAVE_FIELD)
  	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
  	e1:SetCondition(s.condition)
  	e1:SetTarget(s.target)
  	e1:SetOperation(s.activate)
  	c:RegisterEffect(e1)
  end
  function s.cfilter(c)
  	return c:IsReason(REASON_DESTROY) and c:IsReason(REASON_EFFECT) and c:IsPreviousLocation(LOCATION_ONFIELD)
  end
  function s.condition(e, tp, eg, ep, ev, re, r, rp)
  	return eg:IsExists(s.cfilter, 1, nil)
  end
  function s.filter(c)
  	return c:IsType(TYPE_SPELL + TYPE_TRAP)
  end
  function s.target(e, tp, eg, ep, ev, re, r, rp, chk, chkc)
  	if chkc then
  		return chkc:IsOnField() and s.filter(chkc) and chkc ~= e:GetHandler()
  	end
  	if chk == 0 then
  		return Duel.IsExistingTarget(s.filter, tp, LOCATION_ONFIELD, LOCATION_ONFIELD, 2, e:GetHandler())
  	end
  	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_DESTROY)
  	local g = Duel.SelectTarget(tp, s.filter, tp, LOCATION_ONFIELD, LOCATION_ONFIELD, 2, 2, e:GetHandler())
  	Duel.SetOperationInfo(0, CATEGORY_DESTROY, g, 2, 0, 0)
  end
  function s.activate(e, tp, eg, ep, ev, re, r, rp)
  	local g = Duel.GetChainInfo(0, CHAININFO_TARGET_CARDS):Filter(Card.IsRelateToEffect, nil, e)
  	Duel.Destroy(g, REASON_EFFECT)
  end
  
  