Brigade will meet Newbuildings in the inaugural T10 Championship final after both sides recorded contrasting wins in their semi-finals against Killyclooney and St Johnston.
Chasing 101, Brigade looked dead and buried at 53 for 5, but last man Ifty Hussain hit an unbeaten 32 from 14 balls (4 fours, 1 six), as he guided his team home.
He received excellent support from Rachit Gaur (22*), while Andy Britton had earlier hit 2 sixes and 2 fours in a quickfire 24.
Tim Dougherty (2-14) bowled Kyle Magee and then next ball caught and bowled DD Barr to take his side to the brink of a second famous win in two nights, but alas it was not to be.
Dougherty had earlier carried on from where he left off against Donemana, hitting 6 sixes and 3 fours as he top scored with 65 from 31 balls.
In Donegal, it was a very one-sided affair as a tight Newbuildings bowling unit restricted St Johnston to just 74 - Jack Macbeth making 30 and Nathan Cole 18.
That proved a stroll in the sunshine as skipper Gareth McKeegan's 38 not out, and an unbeaten 25 from Mark Hanna saw them pass the modest target without losing a wicket.
The final will be played next Wednesday, August 19th at a venue still to be confirmed, with Glendermott the favourite to host.
At The Boathole, Newbuildings beat St Johnston by 6 wickets
D Lapsley b Killen 12
I Macbeth run out 2
M Rankin run out 8
J Macbeth b Thompson 30
N Cole b Dougherty 18
A McElhatton not out 0
Total (5 wkts, 10 overs) 74
Fall: 1-13 2-18 3-32 4-60 5-74
Bowling: J Thompson 2-0-19-1; T Killen 2-0-19-1; C Cooper 2-0-8-0;
P Singh 2-0-9-0; R Dougherty 2-0-16-1
M Hanna nout out 25
G McKeegan not out 38
Total (0 wkts, 8.1 overs) 75
Bowling: N Cole 2-0-16-0; D Anthony 2-0-13-0; I Macbeth 2-0-23-0;
D Lapsley 1.1-0-15-0; A McElhatton 1-0-5-0.
At Killyclooney, Brigade beat Killyclooney by 1 wicket
W Finlay ct Barr b Magee 4
T Dougherty c Barr b Macbeth 65
A Lynch c Dixon b Magee 9
A Colhoun not out 4
M Gordon c Gaur b Macbeth 0
A Neill b Britton 6
J Wallace not out 1
Total (5 wkts, 10 overs) 100
Fall: 1-21 2-58 3-81 4-82 5-99
Bowling: I Hussain 2-0-9-0; D Barr 2-0-18-0; K Magee 2-0-24-2;
R Gaur 2-0-27-0; R Macbeth 1-0-5-2; A Britton 1-0-17-1
R Macbeth c Lynch b Neill 4
A Britton ct Wallace b Neill 24
C Dixon b Wallace 6
R Gaur not out 22
K Magee b Dougherty 9
D Barr c&b Dougherty 0
I Hussain not out 32
Total (5 wkts, 19.2 overs) 103
Fall: 1-27 2-29 3-41 4-53 5-53
Bowling: A Neill 2-0-19-0; J Wallace 2-0-24-1; M Gordon 2-0-22-0;
T Dougherty 2-0-14-2; W Finlay 1-0-21-0; A Colhoun 0.2-0-5-0