Mystery Key is a uncommon Artifact — Equipment card from Magic: The Gathering (The List, PLST). Current market price: $0.09.
Uncommon
The List (PLST)
{1}{U}
Mana Value
2
Colors
U
Card Text
When equipped creature deals combat damage to a player, sacrifice this Equipment. If you do, draw three cards.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)
