Probably a bad deck but I thought it looked fun.
Idea is to play Sonya Waterdancer and a 1 cost Sandbox Scoundrel to make Naralex, Herald of the Flights cost 4 and play it. Play both the 1 cost (From naralex) and the 0 cost Ysera, Emerald Aspect for 5 more mana. Can then play a 1 and 0 cost Fyrakk the Blazing to cast 40 mana worth of spells. Can then use your leftover mana to cast Shadowstep or Web of Deception to continue casting fire spells.