Copying spells already isnt that powerful because lining the copy card up with a card worth copying is quite difficult to do
It's considered poor form to start playing before everyone has decided whether to keep their hand
Brawl Legal Vintage Legal Timeless Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Not Legal Toolbox Buy This Card Notes and Rules Information for The Final Days: "Flashback [cost]" means "You may cast this card from your graveyard if the resulting spell is an instant or sorcery spell 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." (2025-06-06) You must still follow any timing restrictions and permissions, including those based on the card's type
Of course, shes still vulnerable to decks that prey on double black lotus decks, as well as Void Snare (which can target planeswalkers)
Only this time, we're not looking at Yu-Gi-Oh, but instead at Magic: The Gathering
The golden age for rare card crimps appear to have been from between Invasion to around Ravnica