Three mana is a lot, but four damage is a large chunk of the opponents life total, making it a consideration for burn decks in lower powered formats
If the RNG is in your favor with Jigglypuff early on, youll have enough time to prepare at least two attack lines (preferably with Articuno and Wigglytuff ex) to steal some points in the late game
Wrath effects that you have some control over sculpting are in high demand in MTG, particularly given the current overabundance of targeting protection through Ward, so Wrath of the Skies is sure to be a hit
Doubling your Rabbit tokens is a simple but effective way to pull ahead of your opponents and works particularly well with other token producers you might run, like Adeline, Resplendent Cathar
Clear text and simple layouts work best
I would forgive you if you didn't realise this is part of the cycle: Shivan Gorge