Let's say you're Gaston, and while your deck is a fairly typical midrange Limited deck with an average curve, you know that Belle's deck is extremely aggressive, full of two- and three-drops
As an attack trigger, it makes me think of Sphinx of Forgotten Lore as more of an aggressive card for playing with combat tricks
12 Toxrill, The Corrosive The Board Is Yours Toxrill, the Corrosive is an incredibly powerful and self-sustaining Dimir (black and blue) commander that can be made all the more dangerous when backed up by an entire control deck
Artifacts are easy to cast, easy to piggyback on, and easy to win with
Flubs, the Fool is the most recent Frog deck I've put together in paper, and it's both very fun and very weird