mtg cards like dark confidant oracletag:wannabe-dark-confidant · Scryfall Magic: The Gathering Search You lose life equal to its converted mana cost. Dark Confidant - MTG Proxy

Angelic Destiny has a similar return condition, but Rancor's much more widely played

Oddly enough, it also applies here just for your hard-grinded gold or gems if you're about to draft on MTG Arena, or your packs if you're heading to your LGS

As someone who's seen a lot of episodes of that tv show where they appraise old stuff, I'll tell you exactly what each one was probably (maybe) used for

It works with Madness

This doesnt mean enfranchised players cant enjoy the themes or decks, but Id expect this to be uninteresting to most without significant reprints like the Tempest Medallions

Summoning any equipment from your deck for a measly two mana is already a massive boon for artifact-based Commanders