Despite a huge 98 points, the Dragons were pipped to the title by cash-drenched Fleetwood Town.
As Morrell's side heads to the Hatters he said: "It's going to be tough, because it's a bit of a lottery going in the play-offs, but we'll be at it and we'll be trying our hardest to get through to Wembley."
Wrexham lost out to Luton Town in last season's play-offs.
And Hatters centre-half Janos Kovacs told Luton Today that most of the squad have experienced the highs and lows of play-off football and he is certain that will give them the edge against Wrexham.