Cards List
Mystery Key
Standard
Best of 1
undefined (CLB)
Find the best Standard decks for Mystery Key, it's winrate, popularity and the MTG Arena formats where it is legal!
Standard
Best of 1
Unlock with Premium
When equipped creature deals combat damage to a player, sacrifice Mystery Key. If you do, draw three cards.
Equip (: Attach to target creature you control. Equip only as a sorcery.)
Artifact
Uncommon
Mystery Key Decks
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200+ Matches
Matches
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