(Since Chemists also wield Guns, a sidestep into their class is fairly intuitive.) Additionally, he has three basic abilities, all of which have the same range as his equipped weapon: one inflicts Don't Move, one inflicts Don't Act, and the third is an almost-guaranteed-to-hit Petrify ability that only works on Undead enemies
If you already have five characters on board ready to quest, you are probably pretty far ahead as it is
Ideally you'd be putting this on something withy lifelink to keep the gains going, or even Qala, Ajani's Pridemate to increase the buff when it swings with other creatures
With their Search and Rescue ability, anytime you put a card into your inkwell, you can bring back a character card from your discard back to your hand
That means you can use the cards in Standard until February 2028, and as a result, cards are still being printed outside of Collector Boosters, Secret Lair drops, and the foil versions of Commander Decks (more on that in a moment)