Avatar Aang // Aang, Master of Elements — ruling 1

An ability that triggers "whenever you waterbend" triggers whenever you pay a waterbend cost, regardless of how you paid that cost. You do not have to tap artifacts or creatures to help pay the cost for the ability to trigger.

Avatar Aang // Aang, Master of Elements — ruling 2

"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."

Avatar Aang // Aang, Master of Elements — ruling 3

An ability that triggers "whenever you earthbend" triggers immediately after the list of actions earthbend entails is complete, even if some or all of those actions were impossible, perhaps because an effect does not allow counters to be placed on creatures you control.

Avatar Aang // Aang, Master of Elements — ruling 4

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

Avatar Aang // Aang, Master of Elements — ruling 5

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.

Avatar Aang // Aang, Master of Elements — ruling 6

Avatar Aang's last ability looks at the whole turn when determining whether or not Avatar Aang should transform, not just actions you've taken since he entered or came under your control. For example, say you airbend, waterbend, and earthbend, then play Avatar Aang. If you firebend later in the turn, then when Avatar Aang's ability resolves, he'll transform since you've done all four this turn.

Avatar Aang // Aang, Master of Elements — ruling 7

An ability that triggers "whenever you airbend" triggers after the process described by the airbend keyword action is complete, even if some or all of the actions were impossible.

Avatar Aang // Aang, Master of Elements — ruling 8

An ability that triggers "whenever you firebend" triggers whenever a firebending ability you control resolves.

Avatar Aang // Aang, Master of Elements : règles, fonctionnement et interactions (MTG)

Avatar Aang // Aang, Master of Elements 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

Flying, firebending 2 Whenever you waterbend, earthbend, firebend, or airbend, draw a card. Then if you've done all four this turn, transform Avatar Aang. Flying Spells you cast cost less to cast. (This can reduce generic costs.) At the beginning of each upkeep, you may transform Aang, Master of Elements. If you do, you gain 4 life, draw four cards, put four +1/+1 counters on him, and he deals 4 damage to each opponent.

How it works : Avatar Aang // Aang, Master of Elements

Original English text — Wizards of the Coast / Scryfall

#1October 2, 2025· Wizards of the Coast
An ability that triggers "whenever you waterbend" triggers whenever you pay a waterbend cost, regardless of how you paid that cost. You do not have to tap artifacts or creatures to help pay the cost for the ability to trigger.
No other card is named in this ruling.
#2October 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.
#3October 2, 2025· Wizards of the Coast
An ability that triggers "whenever you earthbend" triggers immediately after the list of actions earthbend entails is complete, even if some or all of those actions were impossible, perhaps because an effect does not allow counters to be placed on creatures you control.
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
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.
#6October 2, 2025· Wizards of the Coast
Avatar Aang's last ability looks at the whole turn when determining whether or not Avatar Aang should transform, not just actions you've taken since he entered or came under your control. For example, say you airbend, waterbend, and earthbend, then play Avatar Aang. If you firebend later in the turn, then when Avatar Aang's ability resolves, he'll transform since you've done all four this turn.
No other card is named in this ruling.
#7October 2, 2025· Wizards of the Coast
An ability that triggers "whenever you airbend" triggers after the process described by the airbend keyword action is complete, even if some or all of the actions were impossible.
No other card is named in this ruling.
#8October 2, 2025· Wizards of the Coast
An ability that triggers "whenever you firebend" triggers whenever a firebending ability you control resolves.
No other card is named in this ruling.
#9October 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.
#10October 2, 2025· Wizards of the Coast
To determine the total cost of a spell, start with the mana cost or alternative cost you're paying, add any cost increases, then apply any cost reductions. The mana value of the spell remains unchanged, no matter what the total cost to cast it was.
No other card is named in this ruling.
#11October 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.