19 cards where the set is “rex” and the collector number >= 27 and the collector number <= 45

Don't Move (Jurassic World Collection #27)
Cresting Mosasaurus (Jurassic World Collection #28)
Spitting Dilophosaurus (Jurassic World Collection #29)
Hunting Velociraptor (Jurassic World Collection #30)
Life Finds a Way (Jurassic World Collection #31)
Savage Order (Jurassic World Collection #32)
Blue, Loyal Raptor (Jurassic World Collection #33)
Compy Swarm (Jurassic World Collection #34)
Ellie and Alan, Paleontologists (Jurassic World Collection #35)
Grim Giganotosaurus (Jurassic World Collection #36)
Henry Wu, InGen Geneticist (Jurassic World Collection #37)
Ian Malcolm, Chaotician (Jurassic World Collection #38)
Indominus Rex, Alpha (Jurassic World Collection #39)
Indoraptor, the Perfect Hybrid (Jurassic World Collection #40)
Owen Grady, Raptor Trainer (Jurassic World Collection #41)
Permission Denied (Jurassic World Collection #42)
Ravenous Tyrannosaurus (Jurassic World Collection #43)
Swooping Pteranodon (Jurassic World Collection #44)
Dino DNA (Jurassic World Collection #45)

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