2 Oct 2025
Firebender Ascension's ability will always go on the stack on top of the triggered ability that caused it to trigger. The copy it creates will be created on the stack on top of the original triggered ability and the copy will resolve before that ability.
2 Oct 2025
The copy will have the same targets as the ability it's copying unless you choose new ones. You may change any number of the targets, including all of them or none of them. If, for one of the targets, you can't choose a new legal target, then it remains unchanged (even if the current target is illegal).
2 Oct 2025
Any other mana you add during combat will still be lost as normal when moving between steps of combat.
2 Oct 2025
If the ability is modal (that is, it has a bulleted list of choices), the copy will have the same mode(s). You can't choose new ones.
2 Oct 2025
"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."
2 Oct 2025
Firebending abilities aren't mana abilities. They use the stack and can be responded to.
2 Oct 2025
Multiple instances of firebending on the same creature trigger separately, each granting you the appropriate amount of mana.
2 Oct 2025
Triggered abilities use the words "when," "whenever," or "at." They're often written as "[Trigger condition], [effect]."
2 Oct 2025
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.