Disruptive creature decks are variations on white weenie where you either play cards that share a creature type, or you play cards that foil your opponent's plans (e.g., Elite Spellbinder, Thalia, Guardian of Thraben)
King Crab filled a very important niche for blue: a huge creature that could not only block opposing fatties, but send most of them straight back to the top of an opponent's deck
Weve been seeing more cards like this recently, and its a design space that Im very interested in
There are very few ways to actually lose energy counters outside of spending them, but it is possible with stray cards like Suncleanser and Final Act
Cavalier of Night Cavalier of Night provides casual sacrifice decks with a respectable top-end that turns random tokens or sacrifice fodder into a removal spell, plus it offers a reanimation effect later
You can also drop in Spike Feeder for an infinite combo, if thats your jam