If a face-up Xyz Monster you control leaves the field by card effect, while this card is in your GY (except during the Damage Step): You can Special Summon this card, but banish it when it leaves the field
Why is Crown Zenith not a normal expansion

The rarity table looks as follows: image949719 19.8 KB The raw data for the holos, rares, Pokmon-GX, full art Pokmon and full art Trainers/secret rares looks as follows: image579725 10.7 KB image727349 7.69 KB image727349 7.46 KB image851631 12.8 KB The uncommons sheet looks as follows: Psychic Memory, Staravia, Piloswine, Lusamine, Hakamo-o, Haunter, Devoured Field, Zweilous, Gastrodon, Sea of Nothingness, Miltank, Cinccino, Gladion, Lairon, Alolan Graveler, Emolga, Mawile, Grumpig, Peeking Red Card, Diggersby, Hakamo-o, Counter Catcher, Fighting Memory, Counter Energy, Accelgor, Lusamine, Staravia, Kakuna, Dashing Pouch, Psychic Memory, Piloswine, Devoured Field, Zweilous, Miltank, Sea of Nothingness, Counter Energy, Gladion, Cinccino, Lairon, Emolga, Alolan Graveler, Fighting Memory, Gastrodon, Counter Energy, Mawile, Grumpig, Staravia, Counter Catcher, Diggersby, Accelgor, Kakuna, Lusamine, Haunter, Dashing Pouch, Hakamo-o, Miltank, Peeking Red Card, Piloswine, Zweilous, Cinccino, Grumpig, Emolga, Gladion, Staravia, Alolan Graveler, Mawile, Psychic Memory, Lairon, Fighting Memory, Devoured Field, Gastrodon, Kakuna, Accelgor, Sea of Nothingness, Haunter, Counter Catcher, Hakamo-o, Diggersby, Piloswine, Counter Energy, Miltank, Zweilous, Gastrodon, Peeking Red Card, Cinccino, Alolan Graveler, Devoured Field, Emolga, Grumpig, Lusamine, Lairon, Mawile, Dashing Pouch, Gladion, Staravia, Accelgor, Kakuna, Miltank, Psychic Memory, Haunter, Fighting Memory, Hakamo-o, Sea of Nothingness, Diggersby, Alolan Graveler, Piloswine, Peeking Red Card, Gastrodon, Zweilous, Haunter, Cinccino, Grumpig, Emolga, Counter Catcher, Mawile, Diggersby, Fighting Memory, Dashing Pouch, Lairon, Kakuna, Accelgor Edit 2024/03/24: Changed sequence length from 180 to 360

Make sure you leave enough time if you are planning this as a gift.
Welcome to the Fold: aggressively costed in blue, an interesting card, but the X costing can make it dead in the hand a lot
It would take twelve years to return, and even then, just on one card