wheel cards mtg of Fortune you may play cards you own exiled this way until the end of your next turn Wheel of Fortune - Revised

Limits for BC: Xyris is in the list so an obvious that can get iffy are wheels

Effects that interact with spells (such as Remove Soul or Faerie Tauntings) will not

Plus, you can use it to recur Sigardas Imprisonment if you splash white, which is great for ploughing through any opposing bombs they may draw while you drag things out

But Gravecrawler makes a pretty strong case, regardless of how you cut it

The much more unlikely possibility is the return of battle cards, but it would fit the theming if handled right

With the printings of more efficient cards like Ragavan, Nimble Pilferer, Dragons Rage Channeler and Murktide Regent, the blue human wizard lost quite a lof of power and relevance in the format