As previously mentioned, wildcards are used to create cards you dont have in your collection
The answer depends on your goals
I'd also consider adding a bit more poison to the deck: Skithiryx, Inkmoth Nexus, Phyresis Outbreak, Phyrexian Crusader, and Norn's Decree are my top picks for this
Following in the footsteps of March of the Machine (and its Aftermath ), the set is one of the coolest expansions around
You miss out on white vampires, but Im happy to lose access to that color in favor of blue, which has some of the best typal support cards: Kindred Discovery and Reflections of Littjara
7 Dawnglade Regent The King Of Keep-Away Another pricey green creature, Dawnglade Regent is a monarch-based creature that can keep your entire board safe so long as you hold the crown