Cheapest priced copy (Fallout): $0.49 at Card Kingdom, near mint, their price list as of .
Desdemona, Freedom's Edge 
Legendary Creature — Human Rogue · 3/4 · Rare · Fallout · #101
Vigilance
Whenever Desdemona attacks, target creature card in your graveyard that's an artifact or that has mana value 3 or less gains escape until end of turn. The escape cost is equal to its mana cost plus exile two other cards from your graveyard. (You may cast it from your graveyard for its escape cost this turn.)
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
4 printings · $0.49 to $2.49 at Card Kingdom
7 rulings from Wizards of the Coast
- 8 March 2024If you cast a spell with its escape permission, you can't choose to apply any other alternative costs or to cast it without paying its mana cost. You may pay any optional additional costs the spell has, such as kicker costs. If it has any mandatory additional costs, you must pay those.
- 8 March 2024To determine the total cost of a spell, start with the mana cost or alternative cost you're paying (such as an escape cost), add any cost increases, then apply any cost reductions. The mana value of the spell remains unchanged, no matter what the total cost to cast it was and no matter whether an alternative cost was paid.
- 8 March 2024Once you begin casting a spell with escape, it immediately moves to the stack. Players can't take any other actions until you're done casting the spell.
- 8 March 2024If a card has multiple abilities giving you permission to cast it, such as two escape abilities or an escape ability and a flashback ability, you choose which one to apply. The others have no effect.
- 8 March 2024If a spell you're casting with escape has an additional cost of discarding cards or sacrificing permanents, you may exile cards discarded or sacrificed this way to pay that part of its escape cost.
- 8 March 2024After an escaped permanent spell resolves, it enters the battlefield and will return to its owner's graveyard if it dies later.
- 8 March 2024Escape's permission doesn't change when you may cast the spell from your graveyard.