Card Explanations:
Aurelia, the Warleader - The main reason I created this deck. Her ability to have an extra combat phase the same turn she's summoned is absolutely incredible
Boros Elite - A good 1 CMC creature that gets stronger the more creatures you have
Firemane Avenger - Good for burning and gaining back life
Gisela, Blade of Goldnight - Imagine having 2 combat phases, with the damage doubled each time. Perfect
Iroas, God of Victory - Essentially gives your creatures menace and indestructible, making them hard to block and even harder to kill
Skyknight Legionnaire - Another footsoldier that's good for triggering battalion early game
Thalia's Lancers - These guys can fetch any legendary in the deck, you can see why that'd be good
Wojek Halberdiers - I couldn't decide between either these guys, Bomber Corps, or Boros Mastiff, I decided on the Wojek's because the I could essentially do the whole burn and lifegain thing with Firemane Avenger
Boros Signet/Mind Stone - Good for the mana
Aurelia's Fury - Good for preventing your opponent from preventing the damage from combat, or wiping your board, stuff like that
Boros Charm - Primarily used for defense against board wipes and creature protection, but the other two options are also very viable
Searing Blood - You can either outright kill a creature, then make your opponent take the 3 damage, or get a creature low enough so that if they block, they'll die and then your opponent has to take 3 damage, putting them in a tight spot
Chained to the Rocks/Journey to Nowhere - Removal
Mizzium Mortars - For your run of the mill token decks