Argent Mutation — ruling 1

You can target an artifact with Argent Mutation. When it resolves, you’ll simply draw a card.

Argent Mutation — ruling 2

If the permanent is an illegal target when Argent Mutation tries to resolve, it won’t resolve and none of its effects will happen. You won’t draw a card.

Argent Mutation : règles, fonctionnement et interactions (MTG)

Argent Mutation 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

Target permanent becomes an artifact in addition to its other types until end of turn. Draw a card.

How it works : Argent Mutation

Original English text — Wizards of the Coast / Scryfall

#1June 1, 2011· Wizards of the Coast
You can target an artifact with Argent Mutation. When it resolves, you’ll simply draw a card.
No other card is named in this ruling.
#2June 1, 2011· Wizards of the Coast
If the permanent is an illegal target when Argent Mutation tries to resolve, it won’t resolve and none of its effects will happen. You won’t draw a card.
No other card is named in this ruling.