For more information, you can check out the reveal article from MagicCon: Amsterdam
What Has Come Before This isnt the first time Magics designers have experimented with alternative forms of flavor text delivery
The MEGA Dream EX Box is perfect for collectors, players and anyone looking for a high-volume modern Pokmon opening
"Abomination's Prison" searches any "Unchained" card (but notably isn't an "Unchained" card itself, meaning that it can't be set from GY by "Sarama"), "Wailing" once per turn destroys a card when an "Unchained" Links Monsters is Link Summoned, "Escape" destroys 1 "Unchained" monster and 1 other card on the field (making for a 1-for-1 trade if the monster's floating effect successfully resolves), and "Abominable Chamber" summons 1 "Unchained" monster from hand or GY, which can be used as a disruption by summoning "Abominable Unchained Soul" or "Unchained Soul of Rage"
While reprints in sets are an option, another is via promo distribution, such as they are doing with the Dungeons and Dragons: Honor Among Thieves secret lair cards
