53 cards where the set is “vow” and the cards have a custom Showcase frame

Alluring Suitor // Deadly Dancer (Innistrad: Crimson Vow #300)
Alluring Suitor // Deadly Dancer (Innistrad: Crimson Vow #300)
Anje, Maid of Dishonor (Innistrad: Crimson Vow #309)
Belligerent Guest (Innistrad: Crimson Vow #301)
Bloodcrazed Socialite (Innistrad: Crimson Vow #288)
Blood Hypnotist (Innistrad: Crimson Vow #302)
Blood Petal Celebrant (Innistrad: Crimson Vow #303)
Bloodsworn Squire // Bloodsworn Knight (Innistrad: Crimson Vow #289)
Bloodsworn Squire // Bloodsworn Knight (Innistrad: Crimson Vow #289)
Bloodtithe Harvester (Innistrad: Crimson Vow #310)
Bloodvial Purveyor (Innistrad: Crimson Vow #290)
Cemetery Gatekeeper (Innistrad: Crimson Vow #304)
Dominating Vampire (Innistrad: Crimson Vow #305)
Dorothea, Vengeful Victim // Dorothea's Retribution (Innistrad: Crimson Vow #322)
Dorothea, Vengeful Victim // Dorothea's Retribution (Innistrad: Crimson Vow #322)
Edgar, Charmed Groom // Edgar Markov's Coffin (Innistrad: Crimson Vow #311)
Edgar, Charmed Groom // Edgar Markov's Coffin (Innistrad: Crimson Vow #311)
Eruth, Tormented Prophet (Innistrad: Crimson Vow #323)
Falkenrath Celebrants (Innistrad: Crimson Vow #306)
Falkenrath Forebear (Innistrad: Crimson Vow #291)
Forest (Innistrad: Crimson Vow #276)
Forest (Innistrad: Crimson Vow #277)
Geralf, Visionary Stitcher (Innistrad: Crimson Vow #319)
Gluttonous Guest (Innistrad: Crimson Vow #292)
Grolnok, the Omnivore (Innistrad: Crimson Vow #324)
Halana and Alena, Partners (Innistrad: Crimson Vow #325)
Henrika Domnathi // Henrika, Infernal Seer (Innistrad: Crimson Vow #293)
Henrika Domnathi // Henrika, Infernal Seer (Innistrad: Crimson Vow #293)
Innocent Traveler // Malicious Invader (Innistrad: Crimson Vow #294)
Innocent Traveler // Malicious Invader (Innistrad: Crimson Vow #294)
Island (Innistrad: Crimson Vow #270)
Island (Innistrad: Crimson Vow #271)
Jacob Hauken, Inspector // Hauken's Insight (Innistrad: Crimson Vow #320)
Jacob Hauken, Inspector // Hauken's Insight (Innistrad: Crimson Vow #320)
Katilda, Dawnhart Martyr // Katilda's Rising Dawn (Innistrad: Crimson Vow #317)
Katilda, Dawnhart Martyr // Katilda's Rising Dawn (Innistrad: Crimson Vow #317)
Markov Purifier (Innistrad: Crimson Vow #312)
Markov Waltzer (Innistrad: Crimson Vow #313)
Mountain (Innistrad: Crimson Vow #274)
Mountain (Innistrad: Crimson Vow #275)
Odric, Blood-Cursed (Innistrad: Crimson Vow #314)
Old Rutstein (Innistrad: Crimson Vow #326)
Olivia, Crimson Bride (Innistrad: Crimson Vow #315)
Olivia's Attendants (Innistrad: Crimson Vow #307)
Plains (Innistrad: Crimson Vow #268)
Plains (Innistrad: Crimson Vow #269)
Restless Bloodseeker // Bloodsoaked Reveler (Innistrad: Crimson Vow #295)
Restless Bloodseeker // Bloodsoaked Reveler (Innistrad: Crimson Vow #295)
Runo Stromkirk // Krothuss, Lord of the Deep (Innistrad: Crimson Vow #316)
Runo Stromkirk // Krothuss, Lord of the Deep (Innistrad: Crimson Vow #316)
Runo Stromkirk // Krothuss, Lord of the Deep (Innistrad: Crimson Vow #327)
Runo Stromkirk // Krothuss, Lord of the Deep (Innistrad: Crimson Vow #327)
Skulking Killer (Innistrad: Crimson Vow #296)
Sorin the Mirthless (Innistrad: Crimson Vow #297)
Swamp (Innistrad: Crimson Vow #272)
Swamp (Innistrad: Crimson Vow #273)
Thalia, Guardian of Thraben (Innistrad: Crimson Vow #318)
Torens, Fist of the Angels (Innistrad: Crimson Vow #328)
Toxrill, the Corrosive (Innistrad: Crimson Vow #321)
Unholy Officiant (Innistrad: Crimson Vow #286)
Voldaren Bloodcaster // Bloodbat Summoner (Innistrad: Crimson Vow #298)
Voldaren Bloodcaster // Bloodbat Summoner (Innistrad: Crimson Vow #298)
Voldaren Epicure (Innistrad: Crimson Vow #308)
Wedding Security (Innistrad: Crimson Vow #299)
Welcoming Vampire (Innistrad: Crimson Vow #287)

This search is finished. Now the real work can begin.