Visions of Beyond — ruling 1

You determine whether you'll draw one or three cards as Visions of Beyond begins to resolve. This means that if you have nineteen cards in your graveyard and use a dredge ability to replace the one card draw, you won't draw two more cards after that even though your graveyard now has twenty cards in it.

Visions of Beyond : règles, fonctionnement et interactions (MTG)

Visions of Beyond 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

Draw a card. If a graveyard has twenty or more cards in it, draw three cards instead.

How it works : Visions of Beyond

Original English text — Wizards of the Coast / Scryfall

#1December 7, 2018· Wizards of the Coast
You determine whether you'll draw one or three cards as Visions of Beyond begins to resolve. This means that if you have nineteen cards in your graveyard and use a dredge ability to replace the one card draw, you won't draw two more cards after that even though your graveyard now has twenty cards in it.
No other card is named in this ruling.