--スクラム・フォース
---@param c Card
function c20920083.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	c:RegisterEffect(e1)
	--indes
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_FIELD)
	e2:SetCode(EFFECT_INDESTRUCTABLE_EFFECT)
	e2:SetProperty(EFFECT_FLAG_SET_AVAILABLE)
	e2:SetRange(LOCATION_SZONE)
	e2:SetTargetRange(LOCATION_MZONE,0)
	e2:SetCondition(c20920083.con)
	e2:SetTarget(c20920083.tg)
	e2:SetValue(aux.indoval)
	c:RegisterEffect(e2)
	--cannot be target
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_FIELD)
	e3:SetCode(EFFECT_CANNOT_BE_EFFECT_TARGET)
	e3:SetProperty(EFFECT_FLAG_SET_AVAILABLE+EFFECT_FLAG_IGNORE_IMMUNE)
	e3:SetRange(LOCATION_SZONE)
	e3:SetTargetRange(LOCATION_MZONE,0)
	e3:SetCondition(c20920083.con)
	e3:SetTarget(c20920083.tg)
	e3:SetValue(aux.tgoval)
	c:RegisterEffect(e3)
	--destroy replace
	local e4=Effect.CreateEffect(c)
	e4:SetType(EFFECT_TYPE_CONTINUOUS+EFFECT_TYPE_SINGLE)
	e4:SetCode(EFFECT_DESTROY_REPLACE)
	e4:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e4:SetRange(LOCATION_SZONE)
	e4:SetTarget(c20920083.desreptg)
	e4:SetOperation(c20920083.desrepop)
	c:RegisterEffect(e4)
end
function c20920083.cfilter(c)
	return c:IsFaceup() and c:IsPosition(POS_FACEUP_DEFENSE)
end
function c20920083.con(e)
	return Duel.IsExistingMatchingCard(c20920083.cfilter,e:GetHandlerPlayer(),LOCATION_MZONE,0,2,nil)
end
function c20920083.tg(e,c)
	return c:IsDefensePos()
end
function c20920083.repfilter(c,e)
	return c:GetSequence()<5 and c:IsDestructable(e)
		and not c:IsStatus(STATUS_DESTROY_CONFIRMED+STATUS_BATTLE_DESTROYED)
end
function c20920083.desreptg(e,tp,eg,ep,ev,re,r,rp,chk)
	local c=e:GetHandler()
	if chk==0 then return not c:IsReason(REASON_REPLACE) and c:IsOnField() and c:IsFaceup()
		and Duel.IsExistingMatchingCard(c20920083.repfilter,tp,LOCATION_SZONE,0,1,c,e) end
	if Duel.SelectEffectYesNo(tp,c,96) then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESREPLACE)
		local g=Duel.SelectMatchingCard(tp,c20920083.repfilter,tp,LOCATION_SZONE,0,1,1,c,e)
		e:SetLabelObject(g:GetFirst())
		Duel.HintSelection(g)
		g:GetFirst():SetStatus(STATUS_DESTROY_CONFIRMED,true)
		return true
	else return false end
end
function c20920083.desrepop(e,tp,eg,ep,ev,re,r,rp)
	local tc=e:GetLabelObject()
	tc:SetStatus(STATUS_DESTROY_CONFIRMED,false)
	Duel.Destroy(tc,REASON_EFFECT+REASON_REPLACE)
end
