Engineered Might — ruling 1

The set of creatures affected by Engineered Might's second mode is determined as the spell resolves. Creatures you begin to control later in the turn and noncreature permanents that become creatures later in the turn won't get +2/+2 or gain vigilance.

Engineered Might : règles, fonctionnement et interactions (MTG)

Engineered Might 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

Choose one — • Target creature gets +5/+5 and gains trample until end of turn. • Creatures you control get +2/+2 and gain vigilance until end of turn.

How it works : Engineered Might

Original English text — Wizards of the Coast / Scryfall

#1September 20, 2016· Wizards of the Coast
The set of creatures affected by Engineered Might's second mode is determined as the spell resolves. Creatures you begin to control later in the turn and noncreature permanents that become creatures later in the turn won't get +2/+2 or gain vigilance.
No other card is named in this ruling.