Elsa The Spirit of Winter is gorgeous, features a massively popular character, and remains relevant in the current gameplay.
With some careful deck building (mostly playing some big card-draw spells you can cycle into with Unpredictable Cyclone to make sure you always have some cycling cards in hand), you should be able to mostly play your entire deck in a single turn by cycling, casting stuff (including card-draw spells) for free with Unpredictable Cyclone, drawing into more cycling cards, and cycling them to trigger Unpredictable Cyclone against and again until you've essentially cast your entire deck
Ratchet does tend to offer better utility but Keg can hit some annoying lands and that is something not many cards do at all well
Some of the better minotaurs should always be worth consideration
, Remove four hoofprint counters from this enchantment: Create a 4/4 white Elemental creature token with flying
In a way, this also functions as typal coupling, as it expands the number of cards that can benefit from a particular typal payoff