Molder 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 artifact or enchantment with mana value X. It can't be regenerated. You gain X life.

How it works : Molder

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 Molder.

Smoldering Stagecoach

Smoldering Stagecoach's power is equal to the number of instant and sorcery cards in your graveyard. Whenever this Vehicle attacks, the next instant spell and the next sorcery spell you cast this turn each have cascade. Crew 2