Cards feature the Lost Zone mechanic, which is incredibly fun to use
Task Search Checklists How creative can you get with your first free checklist
Get your tickets nowthis grand finale is a cant-miss performance
I would imagine Sarkhan's Unsealing would need to be renamed, since it explicitly references a Magic: The Gathering character, and the Eldrazi Kindred Instant Not of This World may not be a good thematic fit, but a Fight Rigging card themed after the Wall Market fighting arena would make total sense
Surprisingly, there are myriad instants and sorceries that fit this criteria, and quite a few that are cEDH-viable
Triumphant Adventurer The simplest version of fantasy games often boils down to similar experiences in both Magic and D&D: take a risk going into the dungeon (or gaming store), pay the price in hit points (or from your wallet), and come out with the unknown treasures within (booster packs)