2 Oct 2025
Firebending abilities aren't mana abilities. They use the stack and can be responded to.
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
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.
2 Oct 2025
Multiple instances of firebending on the same creature trigger separately, each granting you the appropriate amount of mana.
2 Oct 2025
Any other mana you add during combat will still be lost as normal when moving between steps of combat.