--Aircaster Megan
--created by Alastar Rainford, coded by Lyris
--New auxiliaries by XGlitchy30

local s,id=GetID()
function s.initial_effect(c)
	c:EnableReviveLimit()
	aux.AddLinkProcedure(c,aux.FilterBoolFunction(Card.IsLinkRace,RACE_PSYCHIC),2,2)
	--atk/def
	local e0=Effect.CreateEffect(c)
	e0:SetType(EFFECT_TYPE_SINGLE)
	e0:SetCode(EFFECT_UPDATE_ATTACK)
	e0:SetRange(LOCATION_MZONE)
	e0:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e0:SetValue(s.atkval)
	c:RegisterEffect(e0)
	local e1=e0:Clone()
	e1:SetCode(EFFECT_UPDATE_DEFENSE)
	c:RegisterEffect(e1)
	--negate
	local e2=Effect.CreateEffect(c)
	e2:Desc(0)
	e2:SetCategory(CATEGORY_NEGATE|CATEGORY_DESTROY)
	e2:SetType(EFFECT_TYPE_QUICK_O)
	e2:SetProperty(EFFECT_FLAG_DAMAGE_STEP|EFFECT_FLAG_DAMAGE_CAL)
	e2:SetCode(EVENT_CHAINING)
	e2:HOPT(true)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCondition(s.negcon)
	e2:SetCost(s.negcost)
	e2:SetTarget(s.negtg)
	e2:SetOperation(s.negop)
	c:RegisterEffect(e2)
	--todeck
	local e3=Effect.CreateEffect(c)
	e3:Desc(1)
	e3:SetCategory(CATEGORY_TODECK)
	e3:SetType(EFFECT_TYPE_SINGLE|EFFECT_TYPE_TRIGGER_O)
	e3:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e3:SetCode(EVENT_LEAVE_FIELD)
	e3:HOPT(true)
	e3:SetTarget(s.target)
	e3:SetOperation(s.operation)
	c:RegisterEffect(e3)
end
function s.atkfilter(c)
	return c:IsSpell(TYPE_EQUIP) and (not c:IsFacedown() or c:GetEquipTarget()~=nil)
end
function s.atkval(e,c)
	return Duel.GetMatchingGroupCount(s.atkfilter,e:GetHandlerPlayer(),LOCATION_ONFIELD,LOCATION_ONFIELD,nil)*500
end

function s.negcon(e,tp,eg,ep,ev,re,r,rp)
	return not e:GetHandler():IsStatus(STATUS_BATTLE_DESTROYED) and ep~=tp and Duel.IsChainNegatable(ev)
end
function s.negfilter(c)
	return c:IsFaceup() and c:IsType(TYPE_EQUIP) and c:IsAbleToGraveAsCost()
end
function s.negcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.negfilter,tp,LOCATION_SZONE,0,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOGRAVE)
	local g=Duel.SelectMatchingCard(tp,s.negfilter,tp,LOCATION_SZONE,0,1,1,nil)
	Duel.SendtoGrave(g,REASON_COST)
end
function s.negtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetOperationInfo(0,CATEGORY_NEGATE,eg,1,0,0)
	if re:GetHandler():IsDestructable() and re:GetHandler():IsRelateToChain(ev) then
		Duel.SetOperationInfo(0,CATEGORY_DESTROY,eg,1,0,0)
	end
end
function s.negop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.NegateActivation(ev) and re:GetHandler():IsRelateToChain(ev) then
		Duel.Destroy(eg,REASON_EFFECT)
	end
end

function s.filter(c)
	return c:IsType(TYPE_MONSTER) and c:IsSetCard(ARCHE_AIRCASTER) and c:IsAbleToDeck()
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_GRAVE) and chkc:IsControler(tp) and s.filter(chkc) end
	if chk==0 then return Duel.IsExistingTarget(s.filter,tp,LOCATION_GRAVE,0,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TODECK)
	local g=Duel.SelectTarget(tp,s.filter,tp,LOCATION_GRAVE,0,1,3,nil)
	Duel.SetCardOperationInfo(g,CATEGORY_TODECK)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	local g=Duel.GetTargetCards()
	if #g>0 then
		aux.PlaceCardsOnDeckTop(tp,g,REASON_EFFECT)
	end
end