Civic Stalwart — ruling 1

Civic Stalwart’s triggered ability affects only creatures you control at the time it resolves. Creatures you begin to control later in the turn won’t get +1/+1.

Civic Stalwart : règles, fonctionnement et interactions (MTG)

Civic Stalwart 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

When this creature enters, creatures you control get +1/+1 until end of turn.

How it works : Civic Stalwart

Original English text — Wizards of the Coast / Scryfall

#1January 25, 2019· Wizards of the Coast
Civic Stalwart’s triggered ability affects only creatures you control at the time it resolves. Creatures you begin to control later in the turn won’t get +1/+1.
No other card is named in this ruling.