Nissa's Revelation — ruling 1

If the top card of your library isn’t a creature card or it’s a creature card with power 0 or less, you won’t draw any cards. Otherwise, the first card you draw will be the card you revealed.

Nissa's Revelation : règles, fonctionnement et interactions (MTG)

Nissa's Revelation 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

Scry 5, then reveal the top card of your library. If it's a creature card, you draw cards equal to its power and you gain life equal to its toughness.

How it works : Nissa's Revelation

Original English text — Wizards of the Coast / Scryfall

#1June 22, 2015· Wizards of the Coast
If the top card of your library isn’t a creature card or it’s a creature card with power 0 or less, you won’t draw any cards. Otherwise, the first card you draw will be the card you revealed.
No other card is named in this ruling.