name: Windstorm
card_text: Change the battle positions of all face-up monsters your opponent controls.
lua: local s, id, o = GetID()
  function s.initial_effect(c)
  	--Activate
  	local e1 = Effect.CreateEffect(c)
  	e1:SetCategory(CATEGORY_POSITION)
  	e1:SetType(EFFECT_TYPE_ACTIVATE)
  	e1:SetCode(EVENT_FREE_CHAIN)
  	e1:SetHintTiming(0, TIMINGS_CHECK_MONSTER + TIMING_MAIN_END)
  	e1:SetTarget(s.target)
  	e1:SetOperation(s.operation)
  	c:RegisterEffect(e1)
  end
  function s.filter(c)
  	return c:IsFaceup() and c:IsCanChangePosition()
  end
  function s.target(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return Duel.IsExistingMatchingCard(s.filter, tp, 0, LOCATION_MZONE, 1, nil)
  	end
  	local sg = Duel.GetMatchingGroup(s.filter, tp, 0, LOCATION_MZONE, nil)
  	Duel.SetOperationInfo(0, CATEGORY_POSITION, sg, sg:GetCount(), 0, 0)
  end
  function s.operation(e, tp, eg, ep, ev, re, r, rp)
  	local sg = Duel.GetMatchingGroup(s.filter, tp, 0, LOCATION_MZONE, nil)
  	Duel.ChangePosition(sg, POS_FACEUP_DEFENSE, 0, POS_FACEUP_ATTACK, 0)
  end
  
  
source_text: Windstorm
  Change the battle positions of all face-up monsters your opponent controls.
target_text: -- Windstorm
  local s, id, o = GetID()
  function s.initial_effect(c)
  	--Activate
  	local e1 = Effect.CreateEffect(c)
  	e1:SetCategory(CATEGORY_POSITION)
  	e1:SetType(EFFECT_TYPE_ACTIVATE)
  	e1:SetCode(EVENT_FREE_CHAIN)
  	e1:SetHintTiming(0, TIMINGS_CHECK_MONSTER + TIMING_MAIN_END)
  	e1:SetTarget(s.target)
  	e1:SetOperation(s.operation)
  	c:RegisterEffect(e1)
  end
  function s.filter(c)
  	return c:IsFaceup() and c:IsCanChangePosition()
  end
  function s.target(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return Duel.IsExistingMatchingCard(s.filter, tp, 0, LOCATION_MZONE, 1, nil)
  	end
  	local sg = Duel.GetMatchingGroup(s.filter, tp, 0, LOCATION_MZONE, nil)
  	Duel.SetOperationInfo(0, CATEGORY_POSITION, sg, sg:GetCount(), 0, 0)
  end
  function s.operation(e, tp, eg, ep, ev, re, r, rp)
  	local sg = Duel.GetMatchingGroup(s.filter, tp, 0, LOCATION_MZONE, nil)
  	Duel.ChangePosition(sg, POS_FACEUP_DEFENSE, 0, POS_FACEUP_ATTACK, 0)
  end
  
  