Boiling Rock Rioter — ruling 1

"Firebending N" is a keyword that represents the ability "Whenever this creature attacks, add N {R}. Until end of combat, you don't lose this mana as steps end."

Boiling Rock Rioter — ruling 2

Firebending abilities aren't mana abilities. They use the stack and can be responded to.

Boiling Rock Rioter — ruling 3

Multiple instances of firebending on the same creature trigger separately, each granting you the appropriate amount of mana.

Boiling Rock Rioter — ruling 4

Mana from firebending abilities isn't lost until you leave combat and go to your second main phase. It can be used at any time during combat, even after combat damage has been dealt.

Boiling Rock Rioter — ruling 5

Since Boiling Rock Rioter's activated ability doesn't have a tap symbol in its cost, you can tap a creature (including Boiling Rock Rioter itself) that hasn't been under your control since your most recent turn began to pay the cost.

Boiling Rock Rioter — ruling 6

Any other mana you add during combat will still be lost as normal when moving between steps of combat.

Boiling Rock Rioter : règles, fonctionnement et interactions (MTG)

Boiling Rock Rioter 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

Firebending 1 (Whenever this creature attacks, add . This mana lasts until end of combat.) Tap an untapped Ally you control: Exile target card from a graveyard. Whenever this creature attacks, you may cast an Ally spell from among cards you own exiled with this creature.

How it works : Boiling Rock Rioter

Original English text — Wizards of the Coast / Scryfall

#1October 2, 2025· Wizards of the Coast
"Firebending N" is a keyword that represents the ability "Whenever this creature attacks, add N . Until end of combat, you don't lose this mana as steps end."
No other card is named in this ruling.
#2October 2, 2025· Wizards of the Coast
Firebending abilities aren't mana abilities. They use the stack and can be responded to.
No other card is named in this ruling.
#3October 2, 2025· Wizards of the Coast
Multiple instances of firebending on the same creature trigger separately, each granting you the appropriate amount of mana.
No other card is named in this ruling.
#4October 2, 2025· Wizards of the Coast
Mana from firebending abilities isn't lost until you leave combat and go to your second main phase. It can be used at any time during combat, even after combat damage has been dealt.
No other card is named in this ruling.
#5October 2, 2025· Wizards of the Coast
Since Boiling Rock Rioter's activated ability doesn't have a tap symbol in its cost, you can tap a creature (including Boiling Rock Rioter itself) that hasn't been under your control since your most recent turn began to pay the cost.
No other card is named in this ruling.
#6October 2, 2025· Wizards of the Coast
Any other mana you add during combat will still be lost as normal when moving between steps of combat.
No other card is named in this ruling.