--オイスターマイスター
--Oyster Meister
local s,id=GetID()
function s.initial_effect(c)
	--token
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON+CATEGORY_TOKEN)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_F)
	e1:SetCode(EVENT_TO_GRAVE)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
end
s.listed_names={83239740}
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():GetPreviousLocation()&LOCATION_ONFIELD>0
		and not (r&REASON_BATTLE+REASON_DESTROY==REASON_BATTLE+REASON_DESTROY)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetOperationInfo(0,CATEGORY_TOKEN,nil,1,0,0)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,0)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_MZONE)>0 
		and Duel.IsPlayerCanSpecialSummonMonster(tp,id+1,0,TYPES_TOKEN,0,0,1,RACE_FISH,ATTRIBUTE_WATER) then
		local token=Duel.CreateToken(tp,id+1)
		Duel.SpecialSummon(token,0,tp,tp,false,false,POS_FACEUP)
	end
end