Feedback is appreciated.

Daring Thief : This card just sounded too degenerate to not want to play, so here it is.

Ornithopter: Mostly for its interaction with Ensoul Artifact and Ghostfire Blade , but also because why wouldn't I want to trade an Ornithopter for a Stormbreath Dragon / Polukranos, World Eater / Mantis Rider.

Phyrexian Revoker: Hurts planeswalkers and Sylvan Caryatid, it's also not something I feel bad trading away.

Master of Waves: I'm liking him better than Scuttling Doom Engine , he's easier to cast and gives trade fodder, in addition to being a strong card.

Negate and Stubborn Denial: When you're running auras, you need some way to prevent being 2-for-1ed.

Triton Tactics : Great way to surprise someone who overcommits to attacking, especially with Daring Thief and Springleaf Drum on the field. You can also net yourself a Sarkhan, the Dragonspeaker this way if your opponent isn't careful.

Ensoul Artifact : 5/5 indestructible or flyer. Nothing you haven't seen before. It can also be given to your opponent in exchange for one of their enchantments with no downside.

Military Intelligence: Potentially slows down how quickly you run out of steam and gives your Ornithopters something to do when they aren't enchanted/equipped/making mana.

Ghostfire Blade : Cheap and reusable, speeds up the ensoul+ornithopter clock a bit.

Springleaf Drum : Mostly to activate the inspired trigger without attacking, but the extra mana and potential off colored activation costs don't hurt either.

I'm considering Hypnotic Siren because it's a cheap enchantment creature that I don't mind trading away, while also being relevant late game. Bident of Thassa is also worth considering, but I think the cost might be too high.