With the TCG reintroducing Pokemon ex, it seems likely that The Pokemon Company International sees value in returning to the days when a more 'normal' Blastoise can win the game
A couple of quick notes: the two big winners are Xyris, the Writing Storm (187 decks) and Zaxara, the Exemplary (182 decks), making these two legends more popular than most of the "face" commanders from Commander 2020
Desperate Ravings saw a little bit of play in graveyard themed decks where it outperforms Think Twice
Cards like Squee, Dubious Monarch in Standard can provide the celebration trigger each turn, and Voldaren Epicure and Bloodtithe Harvester can do it too
Kin-Tree Severance Yes, I get that Despark might not see as much play as it once did, but Kin-Tree Severance is flexible and hits surprisingly more targets and leaves no condition to get the exiled permanent back