27 cards where the set is “gk1” and (the collector number >= 50 and the collector number <= 76)

Izoni, Thousand-Eyed (GRN Guild Kit #50)
Darkblast (GRN Guild Kit #51)
Slum Reaper (GRN Guild Kit #52)
Stinkweed Imp (GRN Guild Kit #53)
Vigor Mortis (GRN Guild Kit #54)
Deadbridge Goliath (GRN Guild Kit #55)
Elves of Deep Shadow (GRN Guild Kit #56)
Abrupt Decay (GRN Guild Kit #57)
Deadbridge Chant (GRN Guild Kit #58)
Deathrite Shaman (GRN Guild Kit #59)
Drown in Filth (GRN Guild Kit #60)
Gaze of Granite (GRN Guild Kit #61)
Golgari Charm (GRN Guild Kit #62)
Grave-Shell Scarab (GRN Guild Kit #63)
Grisly Salvage (GRN Guild Kit #64)
Jarad, Golgari Lich Lord (GRN Guild Kit #65)
Korozda Guildmage (GRN Guild Kit #66)
Lotleth Troll (GRN Guild Kit #67)
Putrefy (GRN Guild Kit #68)
Savra, Queen of the Golgari (GRN Guild Kit #69)
Shambling Shell (GRN Guild Kit #70)
Sisters of Stone Death (GRN Guild Kit #71)
Treasured Find (GRN Guild Kit #72)
Golgari Signet (GRN Guild Kit #73)
Golgari Rot Farm (GRN Guild Kit #74)
Swamp (GRN Guild Kit #75)
Forest (GRN Guild Kit #76)

The orcs’ banner sends a clear message: “You've reached the end of this search.”