name: Destructive
card_text: Change as many monsters on the field as possible to face-down Defense Position, then, if either player controls a face-up monster(s), they must send all face-up monsters they control to the GY.
lua: local s, id, o = GetID()
  function s.initial_effect(c)
  	--Activate
  	local e1 = Effect.CreateEffect(c)
  	e1:SetCategory(CATEGORY_POSITION + CATEGORY_TOGRAVE)
  	e1:SetType(EFFECT_TYPE_ACTIVATE)
  	e1:SetCode(EVENT_FREE_CHAIN)
  	e1:SetHintTiming(0, TIMINGS_CHECK_MONSTER + TIMING_END_PHASE)
  	e1:SetTarget(s.target)
  	e1:SetOperation(s.activate)
  	c:RegisterEffect(e1)
  end
  function s.target(e, tp, eg, ep, ev, re, r, rp, chk)
  	local g = Duel.GetMatchingGroup(Card.IsCanTurnSet, tp, LOCATION_MZONE, LOCATION_MZONE, nil)
  	if chk == 0 then
  		return #g > 0
  	end
  	Duel.SetOperationInfo(0, CATEGORY_POSITION, g, #g, 0, 0)
  end
  function s.activate(e, tp, eg, ep, ev, re, r, rp)
  	local g = Duel.GetMatchingGroup(Card.IsFaceup, tp, LOCATION_MZONE, LOCATION_MZONE, nil)
  	if Duel.ChangePosition(g, POS_FACEDOWN_DEFENSE) < 1 then
  		return
  	end
  	local tg = Duel.GetMatchingGroup(Card.IsFaceup, tp, LOCATION_MZONE, LOCATION_MZONE, nil)
  	for p = 0, 1 do
  		if not Duel.IsPlayerCanSendtoGrave(p) then
  			tg:Remove(Card.IsControler, nil, p)
  		end
  	end
  	if #tg > 0 then
  		Duel.BreakEffect()
  		for p in aux.TurnPlayers() do
  			local sg = tg:Filter(Card.IsControler, nil, p)
  			Duel.SendtoGrave(sg, REASON_RULE, p)
  		end
  	end
  end
  
  
source_text: Destructive
  Change as many monsters on the field as possible to face-down Defense Position, then, if either player controls a face-up monster(s), they must send all face-up monsters they control to the GY.
target_text: -- Destructive
  local s, id, o = GetID()
  function s.initial_effect(c)
  	--Activate
  	local e1 = Effect.CreateEffect(c)
  	e1:SetCategory(CATEGORY_POSITION + CATEGORY_TOGRAVE)
  	e1:SetType(EFFECT_TYPE_ACTIVATE)
  	e1:SetCode(EVENT_FREE_CHAIN)
  	e1:SetHintTiming(0, TIMINGS_CHECK_MONSTER + TIMING_END_PHASE)
  	e1:SetTarget(s.target)
  	e1:SetOperation(s.activate)
  	c:RegisterEffect(e1)
  end
  function s.target(e, tp, eg, ep, ev, re, r, rp, chk)
  	local g = Duel.GetMatchingGroup(Card.IsCanTurnSet, tp, LOCATION_MZONE, LOCATION_MZONE, nil)
  	if chk == 0 then
  		return #g > 0
  	end
  	Duel.SetOperationInfo(0, CATEGORY_POSITION, g, #g, 0, 0)
  end
  function s.activate(e, tp, eg, ep, ev, re, r, rp)
  	local g = Duel.GetMatchingGroup(Card.IsFaceup, tp, LOCATION_MZONE, LOCATION_MZONE, nil)
  	if Duel.ChangePosition(g, POS_FACEDOWN_DEFENSE) < 1 then
  		return
  	end
  	local tg = Duel.GetMatchingGroup(Card.IsFaceup, tp, LOCATION_MZONE, LOCATION_MZONE, nil)
  	for p = 0, 1 do
  		if not Duel.IsPlayerCanSendtoGrave(p) then
  			tg:Remove(Card.IsControler, nil, p)
  		end
  	end
  	if #tg > 0 then
  		Duel.BreakEffect()
  		for p in aux.TurnPlayers() do
  			local sg = tg:Filter(Card.IsControler, nil, p)
  			Duel.SendtoGrave(sg, REASON_RULE, p)
  		end
  	end
  end
  
  