It lets you search for an artifact card with a mana value equal to or less than the extra cost X used to cast it
I feel like Isshin, Two Heavens as One might be the better attack + slug/drain/burn Commander, and I think for the hoops to jump through and suboptimal cards it requires, Far Fortune is more of a flavor pick than a power pick
Decks that make use of Belle, Strange But Special rely on strong card draws to stop from burning out, and Sisu can provide multiple cards as long as you can keep her safe
Instant access to the exact card you need will usually have a significant impact on the board state, up to and including a chance to win the game outright
Then exile it.) Number 185 Language Deutsch Legal Formats Alchemy, Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Standard, Timeless, Vintage Rulings (6/6/2025) "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." (6/6/2025) You must still follow any timing restrictions and permissions, including those based on the card's type
