In the last of this season's Be The Boss features, we asked site editor and enduring pessimist Michael Park to pick the team. Tope at right back? Maybe not...
Last night's game wasn't a disaster by any stretch of the imagination. A mistake was made in the last minute and Falkirk cracked lucky. These things happen. Admittedly they happen to us all too often but all we need is one last good performance, learning from the wee errors which cost us last night and this game is ours for the taking.
I believe that. Honest.
GK: Jamie MacDonald
It's hard to imagine where we'd be if it wasn't for Jamie MacDonald. Although his form has dipped slightly in recent weeks, I've seen a few people giving him a bit of a hard time for Will Vaulks' goal last night but it took a couple of wee deflections and beat him.
If we go down, I have a horrible feeling he'll be the man Hearts look to to solve their newfound goalkeeping problem. Let's hope his reflexes can keep us in it.
RB: Mark O'Hara
Had a bit of a ropey first half against Falkirk but given that (as has been said numerous times before) right back isn't his natural position, I like him there. He's able to push forward and seems very comfortable on the ball.
CB: Miles Addison
Miles by name, Miles by circumference, Addison has been a rock since he's come into the Killie defence. He communicates fantastically and while he isn't exactly the world's most electrifying centre back, he does what he does well. No nonsense, no frills, no mercy.
CB: Conrad Balatoni
I never thought I would be torn between picking Lee Ashcroft and picking Conrad Balatoni. Ashcroft had a really good game last night and had the snot beaten out of him for his troubles. Balatoni has had a good season (barring a few hairy moments) and I think he'll offer us more options to play out from the back. Not to mention the fact that I'm not sure Ashcroft has stopped bleeding yet.
LB: Lee Hodson
For a right back, Lee Hodson makes a pretty solid left back. Coming forward he's quite one dimensional - so would you be if you were playing on the wrong side - but he overlaps well and has 'big game' experience.
CM: Craig Slater
Slater was everywhere in the first leg and since rumour has it that Julien Faubert's contract has expired, we don't really have another deep-lying creative option. Craig has the ability to be a match winner, let's just hope Sunday is 'his day'.
CM: Gary Dicker
Gary, Gary, Gary. He made a few mistakes in possession in the first leg but still looks a more solid option than anyone we were running with in the early stages of the season. We need someone to keep Blair Alston from drifting into space on the edge of the box and Dicker could well be that man.
LW: Greg Kiltie
He had a quiet game in the first leg but I'm keeping the faith with Official Kiltie. He's had a few incredible moments this season and he never gives up the fight. If he can have a good game, so can we.
CAM: Kallum Higginbotham
This was a bit of a tough choice. Rory McKenzie had a tough game last night and hasn't really looked 100% since coming back from injury. Higgy has all the potential to pick the big McCracken shaped padlock in the Falkirk defence, the only question is if it's him or the haircut who turns up.
RW: Josh Magennis
After last night I'm making deals with every minor deity I can think of (including some Roman ones) that Josh will be fit for Sunday. Overnight I've come to terms with the fact that Tope Obadeyi had one of his better games for the club at The Falkirk Stadium but I remain wholly unconvinced that he's going to keep us up. Josh offers so much beyond just his ability and pace on the ball and it goes without saying that our task gets a whole lot tougher without him.
ST: Kris Boyd
Boomer had a couple of decent chances last night and would have scored a fantastic goal were it not for Craig Sibbald's weird line-work. We need to take the chances which come our way on Sunday which is why I've gone for some of our more clinical players behind him, if he can at least work the 'keeper when he gets into the 6 yard box, we may have some luck on the rebound.
Of course, I still believe he's going to set himself up for an overhead kick to win it for us.
You can follow Michael on Twitter: @GreatCollapso and 'enjoy' his stress-induced meltdown on the KillieFC social media on Sunday.