Sky Deck is a common Plane — Chicago card from Magic: The Gathering (Black Lotus Unknown Planechase, PUNK).
Common
Black Lotus Unknown Planechase (PUNK)
Mana Value
0
Card Text
Whenever you planeswalk here, at the beginning of your upkeep, or whenever chaos ensues, put a glass counter on up to one target nonland permanent.
When you planeswalk away from here, destroy all permanents with glass counters on them.
