Lord Jyscal Guado — ruling 1

Lord Jyscal Guado's last ability checks at the moment it would trigger to see if you put a counter on a creature this turn. If you didn't, the ability won't trigger at all. Once your end step begins, it's too late to put a counter on a creature in order to cause this ability to trigger.

Lord Jyscal Guado : règles, fonctionnement et interactions (MTG)

Lord Jyscal Guado 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

Flying At the beginning of each end step, if you put a counter on a creature this turn, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")

How it works : Lord Jyscal Guado

Original English text — Wizards of the Coast / Scryfall

#1June 6, 2025· Wizards of the Coast
Lord Jyscal Guado's last ability checks at the moment it would trigger to see if you put a counter on a creature this turn. If you didn't, the ability won't trigger at all. Once your end step begins, it's too late to put a counter on a creature in order to cause this ability to trigger.
No other card is named in this ruling.