With the way things are, despite the valid arguments for it, I doubt Wizards will remove Showcase cards from Play Boosters any time soon
Korvold, Fae-Cursed King Korvold, Fae-Cursed King turns every sacrifice into card draw and power
7 Shisato, Whispering Hunter For all the sadists who were fans of Yu-Gi-Oh!s infamous Yata-Lock combo, Shisato offers a similarly frustrating effect in Magic
Embercleave is the most powerful, as it will bump our Commander to lethal on its own
Assassin's Trophy may be a color-heavy two-drop, as opposed to Path to Exile, but it's worthwhile for Golgari decks who can't access white for Path in any format
The important thing have in common is the trait I hold most important when evaluating this card type: they have an alternative use case that makes them impactful even when youre not in a good spot to be buffing your own creatures