I consider the entire KMC group to be fine middle-of-the-pack options, since they are among the least expensive to sleeve a constructed deck
(6/16/2023) The trigger event doesn't have to specifically refer to legendary permanents or to artifacts, nor does it have to specifically refer to when something "leaves the battlefield." For example, an ability that triggers "whenever a creature dies" would trigger twice if a legendary creature or an artifact creature dies while Gandalf the White is on the battlefield, as would an ability that triggers "whenever a permanent is put into a graveyard from the battlefield." (6/16/2023) Look at each legendary permanent and each artifact as it exists on the battlefield, taking into account continuous effects, to determine whether any triggered abilities will trigger multiple times
Whether they show Gengar creeping in a back alley or becoming the fuel for a childs nightmare, each of these cards celebrates the spooky nature of Gengar, showing why its one of the most popular Ghost-type Pokemon ever created
Its Level 2 ability is basically the same effect as Goldspan Dragon, and since it's an enchantment, Alchemist's Talent is far more likely to stick around for a few turn cycles
They arent as highly sought after and therefore dont hold as much value
Lurrus of the Dream-Den obviously disincentivizes high converted mana costs in most aggressive white decks, but its possible that Lurrus is just tricking white aggressive players into deckbuilding mistakes