mtg aetherdrift commander precons Magic: The Gathering Deck Crew up unique vehicles and mounts as you discover which racing team best suits your style Today Mitch answers the question

First of all, its big enough to matter

At the beginning of each upkeep, if no spells were cast last turn, transform Ulrich of the Krallenhorde

2017-04-18 If another effect allows you to cast a split card with aftermath from any zone other than a graveyard, you cant cast the half with aftermath

Mirrodin Besieged Actually Unbeatable in Limited: Actually Unbeatable in Constructed: Actually Keeping Me Up at Night Brewing for Over Six Years: Literally Restoration Angel

What was the second change

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)