Loyal Sentry — ruling 1

Loyal Sentry and the creature it blocks are destroyed before combat damage is dealt. The blocked creature is destroyed even if Loyal Sentry leaves the battlefield before its triggered ability resolves.

Loyal Sentry : règles, fonctionnement et interactions (MTG)

Loyal Sentry 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 blocks a creature, destroy that creature and this creature.

How it works : Loyal Sentry

Original English text — Wizards of the Coast / Scryfall

#1March 16, 2018· Wizards of the Coast
Loyal Sentry and the creature it blocks are destroyed before combat damage is dealt. The blocked creature is destroyed even if Loyal Sentry leaves the battlefield before its triggered ability resolves.
No other card is named in this ruling.