Convalescence — ruling 1

The life total is checked when it triggers and the ability will be put on the stack only if you have 10 life or less. It checks again on resolution and does nothing if you have more life by then.

Convalescence : règles, fonctionnement et interactions (MTG)

Convalescence 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 you have 10 or less life, you gain 1 life.

How it works : Convalescence

Original English text — Wizards of the Coast / Scryfall

#1October 4, 2004· Wizards of the Coast
The life total is checked when it triggers and the ability will be put on the stack only if you have 10 life or less. It checks again on resolution and does nothing if you have more life by then.
No other card is named in this ruling.