I'm not very experienced with posting here but this is my deck :
Land:
Mountain x20
Creatures:
Ash Zealot x3
Chandra's Phoenix x4
Two-Headed Cerberus x3
Rakdos Cackler x4
Flamespeaker Adept x2
Guttersnipe x3
Rakdos shred-freak x2
Spells:
Magma jet x 1
Titans strength x4
Shock x4
Lightning strike x4
Portent of betrayal x2
Mizzium mortars x4
The deck does pretty well for me at FNM but some comments and suggestions for the deck and a possible sideboard would benefit me :D