In the wider realm of Magic, Cephalid Snitch is a 1/1 creature with no abilities 99.99% of the time, and enables you to two-for-one yourself by removing protection from black from a creature (presumably followed by a removal spell) the other 0.01% of the time
Also known as the alternate poster for How to Lose Friends & Alienate People
It offers a higher chance of pulling multiple rares and has double the odds (25% vs 12.5%) of containing a valuable card from "The List." However, for any new set, this question is irrelevant as only Play Boosters are available, and they were designed to provide a very similar, high-value opening experience
The other half of this Kit contains a Boros Deck that reveals a new Job Change mechanic.
Mono-blue limits what you can do with Grazilaxx, but theres some fun to be had with ninjas, cards like Faerie Seer, and Archaeomancer/Ghostly Flicker loops