--スナップドラゴン
--Snapdragon
local s,id=GetID()
function s.initial_effect(c)
	--remove
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_REMOVE)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_F)
	e1:SetCode(EVENT_TO_GRAVE)
	e1:SetCountLimit(1,id)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetOperationInfo(0,CATEGORY_REMOVE,nil,1,1-tp,LOCATION_HAND)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	local g=Duel.GetMatchingGroup(Card.IsAbleToRemove,tp,0,LOCATION_HAND,nil)
	if #g==0 then return end
	local rg=g:RandomSelect(tp,1)
	local tc=rg:GetFirst()
	Duel.Remove(tc,POS_FACEUP,REASON_EFFECT)
	tc:RegisterFlagEffect(id,RESET_EVENT|RESETS_STANDARD,0,1)
	local e1=Effect.CreateEffect(e:GetHandler())
	e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
	e1:SetCode(EVENT_PHASE+PHASE_END)
	e1:SetCountLimit(1)
	e1:SetLabelObject(tc)
	e1:SetCondition(s.retcon)
	e1:SetOperation(s.retop)
	e1:SetReset(RESET_PHASE|PHASE_END)
	Duel.RegisterEffect(e1,tp)
end
function s.retcon(e,tp,eg,ep,ev,re,r,rp)
	local tc=e:GetLabelObject()
	if tc:GetFlagEffect(id)==0 then
		e:Reset()
		return false
	else
		return true
	end
end
function s.retop(e,tp,eg,ep,ev,re,r,rp)
	local tc=e:GetLabelObject()
	Duel.SendtoHand(tc,1-tp,REASON_EFFECT)
end