Cower in Fear — ruling 1

Cower in Fear affects only creatures your opponents control at the time it resolves. It won’t affect creatures that come under their control later in the turn.

Cower in Fear : règles, fonctionnement et interactions (MTG)

Cower in Fear 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

Creatures your opponents control get -1/-1 until end of turn.

How it works : Cower in Fear

Original English text — Wizards of the Coast / Scryfall

#1March 14, 2017· Wizards of the Coast
Cower in Fear affects only creatures your opponents control at the time it resolves. It won’t affect creatures that come under their control later in the turn.
No other card is named in this ruling.