Undead Servant — ruling 1

Count the number of Undead Servants in your graveyard as the ability resolves to determine how many tokens to put onto the battlefield. If Undead Servant dies in response to its own triggered ability and is in your graveyard as that ability resolves, it will count toward the number of Zombies you get.

Undead Servant : règles, fonctionnement et interactions (MTG)

Undead Servant 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 enters, create a 2/2 black Zombie creature token for each card named Undead Servant in your graveyard.

How it works : Undead Servant

Original English text — Wizards of the Coast / Scryfall

#1July 12, 2019· Wizards of the Coast
Count the number of Undead Servants in your graveyard as the ability resolves to determine how many tokens to put onto the battlefield. If Undead Servant dies in response to its own triggered ability and is in your graveyard as that ability resolves, it will count toward the number of Zombies you get.
Card named in this ruling
Zombie