--氷結界の虎王ドゥローレン
--Dewloren, Tiger King of the Ice Barrier
local s,id=GetID()
function s.initial_effect(c)
	--Synchro summon procedure
	Synchro.AddProcedure(c,nil,1,1,Synchro.NonTunerEx(Card.IsAttribute,ATTRIBUTE_WATER),1,99)
	--Must be properly summoned before reviving
	c:EnableReviveLimit()
	--Return cards you control to hand, gain 500 ATK/returned card
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_TOHAND+CATEGORY_ATKCHANGE)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetCountLimit(1,id)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetRange(LOCATION_MZONE)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
end
function s.filter(c)
	return c:IsFaceup() and c:IsAbleToHand()
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsOnField() and chkc:IsControler(tp) and s.filter(chkc) and chkc~=e:GetHandler() end
	if chk==0 then return Duel.IsExistingTarget(s.filter,tp,LOCATION_ONFIELD,0,1,e:GetHandler()) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_RTOHAND)
	local g=Duel.SelectTarget(tp,s.filter,tp,LOCATION_ONFIELD,0,1,12,e:GetHandler())
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,g,#g,0,0)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local tg=Duel.GetChainInfo(0,CHAININFO_TARGET_CARDS)
	local rg=tg:Filter(Card.IsRelateToEffect,nil,e)
	Duel.SendtoHand(rg,nil,REASON_EFFECT)
	if c:IsRelateToEffect(e) and c:IsFaceup() then
		Duel.BreakEffect()
		local og=Duel.GetOperatedGroup()
		local ct=og:FilterCount(Card.IsLocation,nil,LOCATION_HAND)
		if ct>0 then
			local e1=Effect.CreateEffect(c)
			e1:SetType(EFFECT_TYPE_SINGLE)
			e1:SetCode(EFFECT_UPDATE_ATTACK)
			e1:SetReset(RESETS_STANDARD_DISABLE_PHASE_END)
			e1:SetValue(ct*500)
			c:RegisterEffect(e1)
		end
	end
end