Gixian Skullflayer — ruling 1

Gixian Skullflayer's triggered ability checks the number of cards in your graveyard both when it triggers and when it resolves. If there aren't three or more creature cards in your graveyard each time, you won't put a +1/+1 counter it.

Gixian Skullflayer : règles, fonctionnement et interactions (MTG)

Gixian Skullflayer 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

At the beginning of your upkeep, if there are three or more creature cards in your graveyard, put a +1/+1 counter on this creature.

How it works : Gixian Skullflayer

Original English text — Wizards of the Coast / Scryfall

#1October 14, 2022· Wizards of the Coast
Gixian Skullflayer's triggered ability checks the number of cards in your graveyard both when it triggers and when it resolves. If there aren't three or more creature cards in your graveyard each time, you won't put a +1/+1 counter it.
No other card is named in this ruling.