If you cast a spell “without paying its mana cost,” you can’t choose to cast it for any alternative costs. You can, however, pay additional costs, such as kicker costs. If the spell has any mandatory additional costs, those must be paid to cast the spell.
You choose whether to cast the exiled card as The Key to the Vault’s triggered ability resolves. If you do, you do so as part of the resolution of that ability. You can’t wait to cast it later in the turn. Timing restrictions based on the card’s types are ignored.
If the spell you cast has {X} in its mana cost, you must choose 0 as the value of X when casting it without paying its mana cost.
Last observed on Scryfall 2 months ago at $1.13. Over the trailing 90 days the price moved between $0.02 and $1.34 across 83 observations. Cross-checked across TCGplayer, eBay sold, Cardmarket EU, and Star City.
This printing is one of 2 catalogued treatments from OTJ — the lineup includes Extended Art alongside the standard finish. Across our catalog the Rarix library tracks every variant in the same family so collectors can compare price, scarcity and demand inside a single lineage.
Card #320 of *Outlaws of Thunder Junction*, the set that shipped alongside the April 2024 Outlaws of Thunder Junction release.
Card type: Legendary Artifact — Equipment, color identity blue, printed at rare. Rares occupy the bottom-of-pack rare slot in standard boosters. Mana cost: {1}{U} (2 converted). Keyword abilities: Equip.
Legal across the major constructed formats — Modern, Legacy, Vintage, and Commander — plus Standard rotation play.
EDHrec ranks this card #2,126 in Commander, putting it in the niche-pick tier of the format's playable pool.
Illustrated by Leon Tukker. Rarix catalogs 177 other cards credited to this artist.
Magic: The Gathering · ™ & © Wizards of the Coast · Illus. Leon Tukker
Card data via Scryfall. Rarix is fan-made; not endorsed by the rights holders.
