While I don't really have enough data to say this for sure, it seems possible or even likely that this is the case
2021-09-24 "Flashback [cost]" means "You may cast this card from your graveyard by paying [cost] rather than paying its mana cost" and "If the flashback cost was paid, exile this card instead of putting it anywhere else any time it would leave the stack." 2021-09-24 You must still follow any timing restrictions and permissions, including those based on the card's type
7 Halo Fountain 7 Halo Fountain Halo Fountain may not hands down be the best card draw, but it more than makes up for that
Gotta make the reference when you can
Originally all werewolves had the text At the beginning of each upkeep, if no spells were cast last turn, transform this card on the front side and At the beginning of each upkeep, if a player cast two or more spells last turn, transform this card on the back
Special features include: Saga Creatures Summons are making an appearance in this set, as part of Magic: The Gatherings first-ever Saga creatures