Tyler MacIntyre's "It's a Wonderful Knife" ingeniously blends elements of a teen slasher film with the classic "It's a Wonderful Life" narrative, resulting in a unique and spirited cinematic experience. The movie kicks off with a jolt, introducing us to Henry Waters (played by Justin Long), a real estate agent in the idyllic town of Angel Falls. Waters is eager to acquire a historic property for his commercial project, but faces resistance from the town’s respected elder, Roger Evans. Tensions escalate when a mysterious killer, donned in white robes, gruesomely murders Evans and his granddaughter, only to be unmasked as Waters by the sharp-minded Winnie Carruthers (Jane Widdop).

What initially seems like a straightforward murder mystery is merely the beginning. The film takes a creative leap, weaving in elements of Michael Kennedy's script that pay homage to "It’s a Wonderful Life." A year following the murders, Winnie is engulfed in grief and despair, feeling invisible to her family and grappling with personal losses. Her wish under the Northern Lights to have never been born triggers a series of events that resurrects the killer and transforms Angel Falls.

MacIntyre’s direction cleverly toys with audience expectations, offering a fresh twist on a well-worn narrative. The film skillfully juggles its slasher elements with character-driven storytelling. The recent resurgence of the teen slasher genre is evident in films like “Totally Killer” and “Perpetrator,” but “It’s a Wonderful Knife” stands out with its rich character development. The characters in the film, ranging from jocks to outsiders, are depicted as real, multidimensional individuals rather than mere genre stereotypes.

Justin Long delivers a remarkable performance as the villain, channeling a Walter Goggins-esque aura. The film’s slasher elements, including the innovative design of the killer’s mask and the meticulous sound design, particularly in the electrifying kill scenes, add to its charm. While the jump scares may be somewhat muted, they align with the film's attempt to maintain a balance between horror and idealism.

The film, however, doesn’t fully succeed in fleshing out Winnie's character. Caught between the archetypes of George Bailey and Nancy Drew, she sometimes seems more like a plot device than a fully realized character. Nonetheless, Widdop's portrayal is filled with the right blend of curiosity and determination to keep the audience engaged.

In its conclusion, "It’s a Wonderful Knife" confidently embraces its references to classic cinema without falling into the trap of cliché. MacIntyre’s sincerity shines through, particularly in the film’s exploration of a queer love story, which is handled with a delicate touch that avoids becoming overly saccharine.

Overall, "It’s a Wonderful Knife" is a unique blend of horror, charm, and emotional depth. It stands as a testament to MacIntyre's ability to create a film that is not only a nod to classic themes but also a fresh take on the teen slasher genre. This movie is a perfect addition to any family holiday gathering, offering a mix of blood, suspense, and heartfelt storytelling.