Windwitch
If you control 2 or more WIND monsters, and no non-WIND monsters: You can Special Summon this card from your hand. A WIND Synchro Monster that was Summoned using this card as Synchro Material cannot be destroyed by your opponent's card effects.
local s, id, o = GetID()
function s.initial_effect(c)
	--special summon
	local e1 = Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id, 0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_HAND)
	e1:SetCondition(s.spcon)
	e1:SetTarget(s.sptg)
	e1:SetOperation(s.spop)
	c:RegisterEffect(e1)
	--effect
	local e2 = Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE + EFFECT_TYPE_CONTINUOUS)
	e2:SetCode(EVENT_BE_MATERIAL)
	e2:SetProperty(EFFECT_FLAG_EVENT_PLAYER)
	e2:SetCondition(s.efcon)
	e2:SetOperation(s.efop)
	c:RegisterEffect(e2)
end
function s.cfilter1(c)
	return c:IsFaceup() and c:IsAttribute(ATTRIBUTE_WIND)
end
function s.cfilter2(c)
	return c:IsFacedown() or c:IsNonAttribute(ATTRIBUTE_WIND)
end
function s.spcon(e, tp, eg, ep, ev, re, r, rp)
	return Duel.IsExistingMatchingCard(s.cfilter1, tp, LOCATION_MZONE, 0, 2, nil) and not Duel.IsExistingMatchingCard(s.cfilter2, tp, LOCATION_MZONE, 0, 1, nil)
end
function s.sptg(e, tp, eg, ep, ev, re, r, rp, chk)
	if chk == 0 then
		return Duel.GetLocationCount(tp, LOCATION_MZONE) > 0 and e:GetHandler():IsCanBeSpecialSummoned(e, 0, tp, false, false)
	end
	Duel.SetOperationInfo(0, CATEGORY_SPECIAL_SUMMON, e:GetHandler(), 1, 0, 0)
end
function s.spop(e, tp, eg, ep, ev, re, r, rp)
	local c = e:GetHandler()
	if not c:IsRelateToEffect(e) then
		return
	end
	Duel.SpecialSummon(c, 0, tp, tp, false, false, POS_FACEUP)
end
function s.efcon(e, tp, eg, ep, ev, re, r, rp)
	return r == REASON_SYNCHRO and e:GetHandler():GetReasonCard():IsAttribute(ATTRIBUTE_WIND)
end
function s.efop(e, tp, eg, ep, ev, re, r, rp)
	local c = e:GetHandler()
	local rc = c:GetReasonCard()
	local e1 = Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id, 1))
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetProperty(EFFECT_FLAG_SINGLE_RANGE + EFFECT_FLAG_CLIENT_HINT)
	e1:SetCode(EFFECT_INDESTRUCTABLE_EFFECT)
	e1:SetRange(LOCATION_MZONE)
	e1:SetLabel(ep)
	e1:SetValue(s.tgval)
	e1:SetReset(RESET_EVENT + RESETS_STANDARD)
	rc:RegisterEffect(e1, true)
end
function s.tgval(e, re, rp)
	return rp == 1 - e:GetLabel()
end


Windwitch
If you control 2 or more WIND monsters, and no non-WIND monsters: You can Special Summon this card from your hand. A WIND Synchro Monster that was Summoned using this card as Synchro Material cannot be destroyed by your opponent's card effects.
-- Windwitch
local s, id, o = GetID()
function s.initial_effect(c)
	--special summon
	local e1 = Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id, 0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_HAND)
	e1:SetCondition(s.spcon)
	e1:SetTarget(s.sptg)
	e1:SetOperation(s.spop)
	c:RegisterEffect(e1)
	--effect
	local e2 = Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE + EFFECT_TYPE_CONTINUOUS)
	e2:SetCode(EVENT_BE_MATERIAL)
	e2:SetProperty(EFFECT_FLAG_EVENT_PLAYER)
	e2:SetCondition(s.efcon)
	e2:SetOperation(s.efop)
	c:RegisterEffect(e2)
end
function s.cfilter1(c)
	return c:IsFaceup() and c:IsAttribute(ATTRIBUTE_WIND)
end
function s.cfilter2(c)
	return c:IsFacedown() or c:IsNonAttribute(ATTRIBUTE_WIND)
end
function s.spcon(e, tp, eg, ep, ev, re, r, rp)
	return Duel.IsExistingMatchingCard(s.cfilter1, tp, LOCATION_MZONE, 0, 2, nil) and not Duel.IsExistingMatchingCard(s.cfilter2, tp, LOCATION_MZONE, 0, 1, nil)
end
function s.sptg(e, tp, eg, ep, ev, re, r, rp, chk)
	if chk == 0 then
		return Duel.GetLocationCount(tp, LOCATION_MZONE) > 0 and e:GetHandler():IsCanBeSpecialSummoned(e, 0, tp, false, false)
	end
	Duel.SetOperationInfo(0, CATEGORY_SPECIAL_SUMMON, e:GetHandler(), 1, 0, 0)
end
function s.spop(e, tp, eg, ep, ev, re, r, rp)
	local c = e:GetHandler()
	if not c:IsRelateToEffect(e) then
		return
	end
	Duel.SpecialSummon(c, 0, tp, tp, false, false, POS_FACEUP)
end
function s.efcon(e, tp, eg, ep, ev, re, r, rp)
	return r == REASON_SYNCHRO and e:GetHandler():GetReasonCard():IsAttribute(ATTRIBUTE_WIND)
end
function s.efop(e, tp, eg, ep, ev, re, r, rp)
	local c = e:GetHandler()
	local rc = c:GetReasonCard()
	local e1 = Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id, 1))
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetProperty(EFFECT_FLAG_SINGLE_RANGE + EFFECT_FLAG_CLIENT_HINT)
	e1:SetCode(EFFECT_INDESTRUCTABLE_EFFECT)
	e1:SetRange(LOCATION_MZONE)
	e1:SetLabel(ep)
	e1:SetValue(s.tgval)
	e1:SetReset(RESET_EVENT + RESETS_STANDARD)
	rc:RegisterEffect(e1, true)
end
function s.tgval(e, re, rp)
	return rp == 1 - e:GetLabel()
end

