The evolution line of Oddish, Gloom, and Vileplume is the only other serious consideration for the best Asleep deck in Pokmon TCG Pocket
(2011-09-22) "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." (2021-03-19) You must still follow any timing restrictions and permissions, including those based on the card's type
We required 15 for over a year, and eventually reduced it to 13
not the reactive Rewind style, so this is probably fine, but you can be sure that unwind was heavily vetted to ensure it wasn't broken
It will be very deck dependent how good that second ability ends up being, but I feel like itd be perfect for allowing the Eater to eat, aka in a race
But.....they'll reveal cards from their library and then drop it to the battlefield that shares a type