how to get a baseball card graded by psa Pre-Assess Your Trading Cards for Grading PSA clarifies potential card cleaning

2021-09-24 If you copy a permanent spell cast this way (perhaps with a card like Double Major) , the copy becomes a token that's a copy of the card's back face, even though it isn't itself a double-faced card

"Most people focus on the large left and bottom border initially

If you Special Summon 3 LIGHT Machine monsters at the same time while this card is in your GY: You can banish this card

These are quite rare cards, so you might be trying to collect them for a while

While more thematically matching crossovers like Final Fantasy tend to get full-size sets, secret lair crossovers provide a space for something smaller and often a bit more light-hearted, like Hatsune Miku or Monty Python