They do not need to reveal the order those cards were put into the library this way
Sarkhan, Dragonsoul is all about the endgame, with an ultimate that floods the board with dragons straight from your library
However, as fitting for a name like Rakdos, the Showstopper, the finale happens when he enters the battlefield and you flip a coin for each non-demon, imp, or devil creature
There is no guaranteed return either way
Sorcery Color tag templates(None) Whims of the Fates Starting with you, each player separates all permanents they control into three piles
Brawl Not Legal Vintage Legal Timeless Not Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Legal Toolbox Buy This Card Notes and Rules Information for Increasing Devotion: "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
