The way it synergizes with most of the creatures youd probably be running in spellslinger and prowess decks is definitely cool, and it can definitely make some cards a big threat by doubling their triggered abilities
Scions & Spellcraft pulls from Final Fantasy XIV
For reference, the recent Alpha Starter deck opened by Moistcr1tikal only had contents worth about $8026 according to his YouTube video
Its Prototype Creatures deserve particular highlighting with Blitz Automaton and Fallaji Dragon Engine as good three drops, with the ability to do more late
Whenever you attack, target attacking creature gets +X/+X until end of turn, where X is the number of creatures you control
We at Draftsim have a full set info page for Alchemy Horizons: Baldur's Gate where you can find a complete card gallery, new mechanics, and just about any other piece of information relevant to the set