Reid is available after missing Monday's win over Rochdale through suspension and fellow winger Wagstaff has recovered from a hamstring injury.
Midfielder Jose Semedo is still banned after his dismissal against Bristol Rovers on Saturday, while skipper Christian Dailly's season came to a premature end three weeks ago courtesy of a five-match suspension for his third red card of the campaign.
Goalkeeper Rob Elliot is fit after a knee injury but Millwall loanee John Sullivan looks to have done enough to keep his place.
Winger Johnnie Jackson is back in training after an Achilles injury but is unlikely to be risked while full-back Kelly Youga (knee) and striker Joe Anyinsah (ankle) are still out.
Source: PA
Source: PA