Jacob Hazzard scored the game-winning goal at 14:51 of the third period, his second of the night, to put the Cubs ahead 5-4. Josiah Jackson added an insurance goal at 17:38 on the power play to close out the scoring.
Jackson finished with three goals and an assist for four points. He now has five goals on the season. Hazzard added two goals, while Brennan Finke also scored in the third period. Cole Fisher collected three assists on the night.
The Cubs trailed 3-2 after two periods. Sylvan Lake's Ayren Henry scored at 18:49 of the second to put the Wranglers up by one heading into the third. Medicine Hat responded with four unanswered goals to take the game.
Jackson opened the Cubs' scoring at 11:05 of the first period on the power play to tie the game 1-1. Hazzard then scored a short-handed goal at 17:06 of the second to make it 2-2. Jackson's second power-play goal of the night, at 2:24 of the third, tied it again at 3-3 before Finke put the Cubs in front at 6:12.
Cooper Lawrence scored twice for Sylvan Lake to lead the Wranglers' offence.
In net, Kayden Van Ham stopped 19 of 23 shots to earn the win for Medicine Hat. Sylvan Lake goaltender Marlo DeRosa faced a heavy workload, turning aside 49 of 55 shots in the loss.
The Cubs went 3-for-7 on the power play. The Wranglers converted 1-for-3. Medicine Hat finished with 28 penalty minutes, including two misconducts.
With the win, the Cubs improve to 6-1-0 and 12 points, first in the Gary Wournell South Division. Medicine Hat returns to action Saturday, Oct. 24, when the Cubs visit the Okotoks Bisons at 8:30 p.m.