Rix Maadi Guildmage — ruling 1

A blocking creature is one that has been declared as a blocker this combat, or one that was put onto the battlefield blocking this combat. Unless that creature leaves combat, it continues to be a blocking creature through the end of combat step, even if the creature or creatures it was blocking are no longer on the battlefield or have otherwise left combat.

Rix Maadi Guildmage : règles, fonctionnement et interactions (MTG)

Rix Maadi Guildmage 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

: Target blocking creature gets -1/-1 until end of turn. : Target player who lost life this turn loses 1 life.

How it works : Rix Maadi Guildmage

Original English text — Wizards of the Coast / Scryfall

#1October 1, 2012· Wizards of the Coast
A blocking creature is one that has been declared as a blocker this combat, or one that was put onto the battlefield blocking this combat. Unless that creature leaves combat, it continues to be a blocking creature through the end of combat step, even if the creature or creatures it was blocking are no longer on the battlefield or have otherwise left combat.
No other card is named in this ruling.