If an Adventure spell leaves the stack in any way other than resolving (most likely by being countered or by failing to resolve because its targets have all become illegal), that card won't be exiled and the spell's controller won't be able to cast it as a creature later
Fun and exciting for sealed deck battles with friends
A 4/5 Golem, Alibou provides all other artifact creatures you control with haste
I often talk about how the digital Cube offerings have too much expensive stuff in the red column, and cards like Bloodthirsty Adversary and Figure of Destiny are the sorts of things that these decks actually want at the top of their curve: stuff thats meaningful in the late-game, but that keeps the pressure on in the early-game when they need to pull ahead
On balance Im still very much enjoying Magic: the Gathering, its just (as with all things in life) taken a fair amount of personal readjustment
The wonderful Lorcana world building continues in this set as we get the chance to explore a new and yet unseen aspect of the Lorcana realm the Azurite Sea