Tundra Tank — ruling 1

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

Tundra Tank — ruling 2

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

Tundra Tank — ruling 3

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.

Tundra Tank — ruling 4

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

Tundra Tank — ruling 5

"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."

Tundra Tank : règles, fonctionnement et interactions (MTG)

Tundra Tank 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.) When this Vehicle enters, target creature you control gains indestructible until end of turn. Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

How it works : Tundra Tank

Original English text — Wizards of the Coast / Scryfall

#1October 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.
#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
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.
#4October 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.
#5October 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.