--クリアー·バイス·ドラゴン
function c97811903.initial_effect(c)
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCode(EFFECT_UPDATE_ATTACK)
	e1:SetCondition(c97811903.condtion)
	e1:SetValue(c97811903.atkval)
	c:RegisterEffect(e1)
	--
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_CONTINUOUS+EFFECT_TYPE_SINGLE)
	e2:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCode(EFFECT_DESTROY_REPLACE)
	e2:SetTarget(c97811903.reptg)
	c:RegisterEffect(e2)
	--
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_FIELD)
	e3:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e3:SetRange(LOCATION_MZONE)
	e3:SetTargetRange(1,0)
	e3:SetCode(97811903)
	c:RegisterEffect(e3)
end
function c97811903.condtion(e)
	return Duel.GetCurrentPhase()==PHASE_DAMAGE_CAL
		and Duel.GetAttacker()==e:GetHandler() and Duel.GetAttackTarget()~=nil
end
function c97811903.atkval(e,c)
	return Duel.GetAttackTarget():GetAttack()*2
end
function c97811903.reptg(e,tp,eg,ep,ev,re,r,rp,chk)
	local c=e:GetHandler()
	if chk==0 then return not c:IsReason(REASON_REPLACE) and c:IsReason(REASON_EFFECT) and c:GetReasonPlayer()~=tp
		and Duel.GetFieldGroupCount(tp,LOCATION_HAND,0)>0 end
	if Duel.SelectYesNo(tp,aux.Stringid(97811903,0)) then
		Duel.DiscardHand(tp,nil,1,1,REASON_EFFECT+REASON_DISCARD)
		return true
	else return false end
end
