Ornery Goblin — ruling 1

The triggered ability triggers once for each creature blocking or blocked by Ornery Goblin. The ability resolves and deals damage to that creature before combat damage is dealt. If that damage destroys all creatures blocking Ornery Goblin, Ornery Goblin doesn’t become unblocked.

Ornery Goblin : règles, fonctionnement et interactions (MTG)

Ornery Goblin 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

Whenever this creature blocks or becomes blocked by a creature, this creature deals 1 damage to that creature.

How it works : Ornery Goblin

Original English text — Wizards of the Coast / Scryfall

#1October 5, 2018· Wizards of the Coast
The triggered ability triggers once for each creature blocking or blocked by Ornery Goblin. The ability resolves and deals damage to that creature before combat damage is dealt. If that damage destroys all creatures blocking Ornery Goblin, Ornery Goblin doesn’t become unblocked.
No other card is named in this ruling.