Thran Foundry

Graveyard recursion sold as anti-mill technology: shuffle a player's graveyard back into their library, and you have answered an entire decking strategy in one activation. The catch is the exile clause on the artifact itself: it is a one-shot, so against a deck that grinds you out over many turns, it buys a single reset rather than a permanent fix. That exile is the price the effect pays for being only a mana to use, stopping you from looping a shuffle every turn. What opens the card up in both directions is the target-player phrasing: you can point it at yourself just as easily, shuffling your own graveyard into your library to refill a deck that has been dredged, looted, or flashbacked to the bone, and the cost is cheap enough to be almost incidental. That same phrasing made it a sideboard option in an era when graveyard hate mostly meant outright destruction or exile; few early effects treated a graveyard as a resource you might want to restore rather than erase. It reads as a niche utility artifact and largely was, but the design is a small early study in giving the graveyard a return valve, an idea later library-recycling effects would revisit with more polish.