Kill-Suit Cultist — ruling 1

This ability causes a creature to be destroyed instead of being dealt damage. Damage replaced this way isn’t dealt, and effects that would happen based on this damage (such as Demonfire’s “exile it” effect) don’t happen.

Kill-Suit Cultist : règles, fonctionnement et interactions (MTG)

Kill-Suit Cultist 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

This creature attacks each combat if able. , Sacrifice this creature: The next time damage would be dealt to target creature this turn, destroy that creature instead.

How it works : Kill-Suit Cultist

Original English text — Wizards of the Coast / Scryfall

#1May 1, 2006· Wizards of the Coast
This ability causes a creature to be destroyed instead of being dealt damage. Damage replaced this way isn’t dealt, and effects that would happen based on this damage (such as Demonfire’s “exile it” effect) don’t happen.
No other card is named in this ruling.