Chandra, Flame Incarnate

Afterburn— Once per turn, Chandra, Flame Incarnate
deals damage equal to the number of red mana you control.
{t} : If you played a card called Chandra's Magmutt, or
Chandra's Embercat This turn, you may cast Chandra,
Flame Incarnate form the command zone without
paying the mana cost
(you still pay any additional costs)
"I am the flame in your torches.."