The little guy seems like a shoe-in for Glissa, the Traitor decks at the very least, and should be considered in other green-based decks that can bring it back for a second go-around
Not only does this smiling axolotl get a 10/10 on the cuteness scale, it's also incredibly synergistic with the deck
Whenever chaos ensues, return target permanent card from your graveyard to the battlefield
Diabolic Revelation 3
Vega, the Watcher draws tons of cards, Veyran, Voice of Duality gives you an additional cast with your commanders ability, Murmuring Mystic and Thalia's Geistcaller give you 1/1 fliers, and Talrand, Sky Summoner bolsters your air force with more 2/2s
At the beginning of each player's upkeep, that player may choose any number of tapped blue creatures they control and pay for each creature chosen this way