Auras that incapacitate but don't remove a Commander from play can lock them out for the large portions of the game
Beyond Swords and Path to Exile, theres only really the likes of Dispatch in an artifact deck that fit the bill
This states that the legendary permanent that you choose to design your deck behind, is for the intent of the magic cards that can be used in the deck, a combination of the mana pips at the top of the card, the pips in the regular text in the text box (not reminder text, which is italicized), and/or a color indicator like on Asmoranomardicadaistinaculdacar
Then exile it.) Set Number 146 Language Italiano 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
The cards unpredictable effectshuffling any permanent back into its owners library and replacing it with whatever comes off the topmatches perfectly with Malcolms famous musings on the butterfly effect
1 Rend Flesh