Forked Lightning — ruling 1

You divide the damage as you cast Forked Lightning, not as it resolves. Each target you choose must be assigned at least 1 damage.

Forked Lightning : règles, fonctionnement et interactions (MTG)

Forked Lightning 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

Forked Lightning deals 4 damage divided as you choose among one, two, or three target creatures.

How it works : Forked Lightning

Original English text — Wizards of the Coast / Scryfall

#1October 1, 2009· Wizards of the Coast
You divide the damage as you cast Forked Lightning, not as it resolves. Each target you choose must be assigned at least 1 damage.
No other card is named in this ruling.