Force of Savagery — ruling 1

Yes, Force of Savagery has 0 toughness. It will be put into its owner's graveyard as a state-based action immediately upon entering unless an effect puts it onto the battlefield with a counter on it (such as Chorus of the Conclave would) or a static ability boosts its toughness (such as Glorious Anthem would). A triggered or activated ability that boosts toughness won't have its effect fast enough to save it.

Force of Savagery : règles, fonctionnement et interactions (MTG)

Force of Savagery 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

Trample

How it works : Force of Savagery

Original English text — Wizards of the Coast / Scryfall

#1May 1, 2007· Wizards of the Coast
Yes, Force of Savagery has 0 toughness. It will be put into its owner's graveyard as a state-based action immediately upon entering unless an effect puts it onto the battlefield with a counter on it (such as Chorus of the Conclave would) or a static ability boosts its toughness (such as Glorious Anthem would). A triggered or activated ability that boosts toughness won't have its effect fast enough to save it.
No other card is named in this ruling.