Everything Ive already mentioned gives you a base for how to make your own proxies or where to get them, but making a cube means youre going to need proxies in bulk
In terms of value, this card started at over $500, but since the prerelease, it has steadily dropped to its current price
However, in a competitive setting, there are better cards with similar effects, such as Elvish Archdruid or Ezuri, Renegade Leader, which offer more powerful abilities and impact on the game
Besides the aforementioned Patriarch's Bidding you also have Reclaim to return a single card from your library
Youre getting both a Creature to serve as an attacker or blocker, plus replenishing the card you have just cast
(And not under that exact name just yet, either.) For some reason, someone at Wizards of the Coast decided that the best way to get players excited about the idea of MTG cards with licensed pop-culture tie-ins was Rick Grimes and the cast of The Walking Dead - a TV show that had become largely irrelevant well before the ink on that particular deal was likely signed