Now, let's break down the deck
your card example is common
6 Henry Wu, InGen Geneticist You Asked For More Teeth. A card not specific to Dinosaurs, genius scientist Henry Wu, InGen Geneticist lets you take all your Humans, himself included, and use them to exploit other creatures, sacrificing them when a Human comes into play
Yeah, that might be a bit confusing, but having extra rolls at reverse-foil cards is a good thing, because with expansion sets consistently hovering near or above the 200-card standard set mark (there are 258 total cards in this set if you count the secret rares) , it can become overwhelming to try to collect the reverse-foil versions of all of the cards they are available for, so the extra reverse-foil card should help make that easier
Drafting is a limited format in which you make a deck from a small pool of cards that you chose from packs shared with other players