Illusionary Informant — ruling 1

Once a player has put a card into their pile of drafted cards, it's too late to turn Illusionary Informant face down to look at that card. As a courtesy, you should alert the player as soon as they are passed the booster pack.

Illusionary Informant : règles, fonctionnement et interactions (MTG)

Illusionary Informant 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

Draft this card face up. During the draft, you may turn this card face down. If you do, look at the next card drafted by a player of your choice. Flying

How it works : Illusionary Informant

Original English text — Wizards of the Coast / Scryfall

#1August 23, 2016· Wizards of the Coast
Once a player has put a card into their pile of drafted cards, it's too late to turn Illusionary Informant face down to look at that card. As a courtesy, you should alert the player as soon as they are passed the booster pack.
No other card is named in this ruling.