It is a key piece in many combo decks, allowing you to recycle powerful on-summon effects
Sealed Mythical Collection boxes now command $40-80 each depending on which Mythical Pokemon is featured
In the 00s my brother, cousins, and I played as much Magic: The Gathering as the next tween
Oh, and did I mention that if you draw three cards, lose two cards, and have a Psychatog on the table, you've just grown your 'Tog by +6/+6 (two cards in graveyard + Fact or Fiction + 3 cards in hand -- discard the three cards to have six in the grave, remove all six to give another +3/+3)
The good news is that, discounting alternate artwork variants we are only missing four cards to make a complete set and all four are of course legendary rare-rated
Little surprise, then, that even the standard version of Belle, Strange but Special became one of The First Chapters most sought-after cards shortly after its release