Well that depends. Aggro is an archetype that swallows up many kinds of decks. “Big Aggro” describes decks that might want to make trades to simply given them better positioning. Most aggro decks want to make trades if it wins them the damage race- or the thing they’re removing is enough of a pain, that it will overwhelm them before they could outrace it.
Generally, if trying to play an aggro deck, I prefer minions that have disruptive abilities rather than make the trades (you do want to force your opponent to make most of the trades.) But, you also don’t want your opponent to run away with the game because of something like Kelaino, Four Winds, Nimbus, Silverguard etc.
Flameblood would make your deck significantly more all-in with the aggression, but it’s another card that will punish you in the topdeck war. If anything, the first change I would make is ditching the Ethereal Blades for Onyx Bear Seals.
A pair of Flamebloods could probably be played over a copy of MDS and the DSS, if that’s the route you want to take. But then, you’d really want Chakris, Primus Fist, Rust Crawler, Bloodrage Mask or Cryptographer over Maw.
Not my blades! 


