Cloud Key 
Artifact
As this artifact enters, choose artifact, creature, enchantment, instant, or sorcery.
Spells you cast of the chosen type cost 
less to cast.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Prints
Edge of Eternities Commander
EN · EOC · 2025-08-01
The Brothers' War Retro Artifacts
EN · BRR · 2022-11-18
The Brothers' War Retro Artifacts
EN · BRR · 2022-11-18
The Brothers' War Retro Artifacts
EN · BRR · 2022-11-18
The List
EN · PLST · 2021-07-23
Time Spiral Remastered
EN · TSR · 2021-03-19
Future Sight
EN · FUT · 2007-05-04