These decks can be vulnerable to board wipes, so putting all your creatures beneath Abdel protects you
If you need these cards, just make sure to think it through before taking the plunge
While it's clearly too late to pick up Werewolves, the same thing is likely to happen against with Vampires in a couple of months once Innistrad : Crimson Vow spoilers start
I like the dinosaur more, as it is a threat on its own, so you can bring it in against decks like Niv-to-Light (for Omnath, Locus of Creation) and Black-Red Midrange (for Graveyard Trespasser and Kalitas, Traitor of Ghet)
We suggest this may be due to the foil commons being syphoned off to fill the 9 foil common/uncommon slots in the Collector Boosters
While it wont be in the neighborhood of the two Darkrai chase cards, early market data shows it making the upper tier on the list