The different kind of challenges in my opinion are more interesting than the run of the mill attack/defend of MTG
Seeing how often Food cards are printed, I'd always be super attentive to new sets, if your favourite card is Cauldron Familiar
Maybe it becomes stronger, gains extra abilities, or does something special
While I think kitchen imp is definitely better, a couple copies of swarm could be interesting as your 5th and 6th copy of Kitchen Imp
$0.49 Mad Science Fair Project Unstable $0.99 Dungeon of the Mad Mage // Goblin Token Adventures in the Forgotten Realms $0.49 Lost Mine of Phandelver // Skeleton Token Adventures in the Forgotten Realms $8.49 Sword of Hours Adventures in the Forgotten Realms Commander Decks $15.99 Sword of Forge and Frontier Phyrexia: All Will Be One $0.35 Foundation Breaker Modern Horizons 2 $0.49 Treasure Token Kamigawa: Neon Dynasty $6.99 Booster Tutor Unhinged $15.99 Toothy, Imaginary Friend Battlebond $6.49 Sword of Once and Future March of the Machine $0.79 Plumb the Forbidden Strixhaven: School of Mages $7.49 Booster Tutor Unsanctioned 0 results found
Black Lotus easily fits into this category, being a zero-cost artifact that can be sacrificed for three mana of any color