Magic: The Gathering · The Brothers' War: Retro Frame Artifacts

Cloud Key

French name: Clef de nuage (Schematic)

75RareSchematic

Cloud Key (Schematic) (The Brothers' War: Retro Frame Artifacts 75) has a market price of US$4.38 to US$8.31 as of Nov 8, 2026.

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Price guide

The market price on TCGplayer, in US dollars: a guide, not an offer.

Market price

NormalUS$4.38Low US$3.00

FoilUS$8.31Low US$4.79

As of Nov 8, 2026 · The market price is TCGplayer’s, in US dollars. It is a guide, not an offer.

Card details

Type: Artifact
Mana cost: {3}
Artist: Trevor Hairsine

Card text

As Cloud Key enters the battlefield, choose artifact, creature, enchantment, instant, or sorcery. Spells you cast of the chosen type cost 1 less to cast.

Flavour text

"A key only unlocks a door. Its wielder must choose whether to cross the threshold." -Hurkyl's Metaphysics, vol. II

About this card

Cloud Key (Schematic) is card 75 in The Brothers' War: Retro Frame Artifacts, a Magic: The Gathering set released Nov 18, 2022. Rarity: Rare. Finishes: Normal, Foil. Illustrated by Trevor Hairsine. Reference market price on Nov 8, 2026: US$4.38 (Normal), US$8.31 (Foil). Over the last 30 days, the Normal price went up 4.8%. Source: TCGplayer market data via tcgcsv.com, updated daily. A reference price is not an offer.