This is a known threat, much like nevinhyral disk so can be used politically, but its key function is replayability and asymmetrical boardwipes by pumping in only enough into it to kill your opponents threats while hopefully keeping yours alive
Sulley & Boo Scare Buddies Will Strike Fear Into Any Unfortunate Opponent The heart and soul of Monsters Inc
(9/19/2025) If an effect allows you to play a land or cast a spell from among a group of cards, you may play or cast a modal double-faced card with any face that fits the criteria of that effect
They're perfect for building decks full of iconic characters from Magics history, as well as from pop culture franchises that Wizards of the Coast has partnered with in recent yearslike Final Fantasy
This has turned out to be especially troublesome for tribal decks like Humans, Goblins and similar strategies which used to be played in Modern but have since dwindled in prevalence
While it might happen for some unpopular Secret Lair drops (the foil basic lands were considered to be one of the worst of the original drops, which might help explain why it is the most valuable todayfewer copies of the foil snow-covered basics are on the market), in general, I'd expect most Secret Lair cards to mirror their original non-foil printing in terms of price
