In the case of equipping one mana artifact equipment and redeeming mutagen tokens, those would then be free
Golden Chocobo 41 is already on eBay, where the seller, collectors_lounge, has set an ambitious asking price of $200,000 (147,000), making it one of the most expensive MTG cards ever printed
Preventing one or two creatures from blocking during a turn is likely the least selected effect of Untimely Malfunction
Obviously, you dont really want to give up a real creature for the effect all the time, otherwise it is a roundabout way of rummaging, but recurring removal spells is especially potent, and giving up a creature for that is often going to be worth it, especially if you sacrifice a card that brings you some value when it dies
Over time, the cream will rise to the top and cuts will be made, but for now I like dabbling in a few of them and seeing which are best through testing