"Oh dear... We're really in trouble this time..."
—The Impresario, opera house manager

Final Fantasy Commander

Key to the City

{T}, Discard a card: Up to one target creature can't be blocked this turn.
Whenever this artifact becomes untapped, you may pay {2}. If you do, draw a card.

It would be unfortunate if the key fell into the wrong hands.

The Brothers' War Retro Artifacts

{T}, Discard a card: Up to one target creature can't be blocked this turn.
Whenever Key to the City becomes untapped, you may pay {2}. If you do, draw a card.

"Presented to the Chief Artificer in recognition of his unparalleled service to Yotia."
—Rusted plaque