Joven is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

Official card text

, : Destroy target noncreature artifact.

How it works : Joven

Original English text — Wizards of the Coast / Scryfall

No additional ruling has been published for this card.

Interactions with other cards

These cards' text mentions Joven.

Joven and Chandler

Whenever an artifact is put into a graveyard from the battlefield, put a number of +1/+1 counters equal to that artifact's mana value on Joven and Chandler. {R}{R}{R}, {T}: Gain control of target artifact until end of turn. Untap it. It gains haste until end of turn.