Yeva's Forcemage — ruling 1

Yeva’s Forcemage’s ability is mandatory, although you can choose Yeva’s Forcemage as the target.

Yeva's Forcemage : règles, fonctionnement et interactions (MTG)

Yeva's Forcemage 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, target creature gets +2/+2 until end of turn.

How it works : Yeva's Forcemage

Original English text — Wizards of the Coast / Scryfall

#1July 1, 2012· Wizards of the Coast
Yeva’s Forcemage’s ability is mandatory, although you can choose Yeva’s Forcemage as the target.
No other card is named in this ruling.