Also, the end step trigger is a may so you dont have to exile until you get delirium or get a good target to bring back
At the beginning of each upkeep, if no spells were cast last turn, transform Ulrich of the Krallenhorde
While a card like Skeleton Ship being bought out and jumping in price doesn't matter to tournament players or even most Commander players, it matters a lot to the poor soul trying to build a Skeleton tribal deck, and part of what makes Commander such a magical format is that you can build a deck like Skeleton Tribal
Loot, Exuberant Explorer Foundations Loot, Exuberant Explorer is nice as both an enabler and payoff for playing extra lands
It was infamously printed with the text "...then Floral Spuzzem may choose to destroy a target artifact ...", so it sounds like your creature should be choosing whether or not to destroy the artifact and not you (the controller of the creature)
The idea is simple: get an Aetherflux Reservoire and Vexing Bauble on the battlefield, and another artifact into your graveyard