Nullmage Advocate — ruling 1

You can’t activate this ability unless a single opponent has at least two cards in their graveyard to target.

Nullmage Advocate : règles, fonctionnement et interactions (MTG)

Nullmage Advocate 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

: Return two target cards from an opponent's graveyard to their hand. Destroy target artifact or enchantment.

How it works : Nullmage Advocate

Original English text — Wizards of the Coast / Scryfall

#1October 4, 2004· Wizards of the Coast
You can’t activate this ability unless a single opponent has at least two cards in their graveyard to target.
No other card is named in this ruling.