Kindle the Carnage — ruling 1

You decide whether to repeat the process after each iteration. In other words, you discard a card, see what it is, Kindle the Carnage deals damage, then you decide whether to continue. If so, you discard a card, see what it is, Kindle the Carnage deals damage, then you decide whether to continue, and so on.

Kindle the Carnage — ruling 2

Any damage prevention or regeneration abilities must be activated before Kindle the Carnage starts resolving in order to have any effect. You can’t wait to see which (if any) cards are discarded.

Kindle the Carnage — ruling 3

A creature that’s been dealt lethal damage by an iteration of this effect will remain on the battlefield and be dealt more damage by any further iterations. After you stop, all creatures that have been dealt lethal damage are put into their owners’ graveyards at the same time.

Kindle the Carnage — ruling 4

All the damage has the same source. However, each iteration of this process is a separate instance of damage. An effect that prevents damage the “next time” this card would deal it will prevent damage from only one iteration.

Kindle the Carnage — ruling 5

A single regeneration shield is sufficient to save a particular creature, no matter how many instances of damage are on it.

Kindle the Carnage : règles, fonctionnement et interactions (MTG)

Kindle the Carnage 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

Discard a card at random. If you do, Kindle the Carnage deals damage equal to that card's mana value to each creature. You may repeat this process any number of times.

How it works : Kindle the Carnage

Original English text — Wizards of the Coast / Scryfall

#1May 1, 2006· Wizards of the Coast
You decide whether to repeat the process after each iteration. In other words, you discard a card, see what it is, Kindle the Carnage deals damage, then you decide whether to continue. If so, you discard a card, see what it is, Kindle the Carnage deals damage, then you decide whether to continue, and so on.
No other card is named in this ruling.
#2May 1, 2006· Wizards of the Coast
Any damage prevention or regeneration abilities must be activated before Kindle the Carnage starts resolving in order to have any effect. You can’t wait to see which (if any) cards are discarded.
No other card is named in this ruling.
#3May 1, 2006· Wizards of the Coast
A creature that’s been dealt lethal damage by an iteration of this effect will remain on the battlefield and be dealt more damage by any further iterations. After you stop, all creatures that have been dealt lethal damage are put into their owners’ graveyards at the same time.
No other card is named in this ruling.
#4May 1, 2006· Wizards of the Coast
All the damage has the same source. However, each iteration of this process is a separate instance of damage. An effect that prevents damage the “next time” this card would deal it will prevent damage from only one iteration.
No other card is named in this ruling.
#5May 1, 2006· Wizards of the Coast
A single regeneration shield is sufficient to save a particular creature, no matter how many instances of damage are on it.
No other card is named in this ruling.