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

Cloud Key

French name: Clef de nuage

12Rare

Cloud Key (The Brothers' War: Retro Frame Artifacts 12) has a market price of US$2.91 to US$4.69 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

FoilUS$4.69Low US$2.99

NormalUS$2.91Low US$1.84

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

The musical sound of its turning triggers the tumblers of revelation.

About this card

Cloud Key is card 12 in The Brothers' War: Retro Frame Artifacts, a Magic: The Gathering set released Nov 18, 2022. Rarity: Rare. Finishes: Foil, Normal. Illustrated by Trevor Hairsine. Reference market price on Nov 8, 2026: US$4.69 (Foil), US$2.91 (Normal). Over the last 30 days, the Foil price went down 2.9%. Source: TCGplayer market data via tcgcsv.com, updated daily. A reference price is not an offer.