When this Case enters the battlefield, investigate. (Create a Clue token. It's an artifact with "2, Sacrifice this artifact: Draw a card.")
To solve — You control three or more artifacts. (If unsolved, solve at the beginning of your end step.)
Solved — 2U, Sacrifice this Case: Put four +1/+1 counters on target noncreature artifact. It becomes a 0/0 Bird creature with flying in addition to its other types.
Near Mint - $0.50
Lightly Played - $0.47
Moderately Played - $0.40
Heavily Played - $0.30
Damaged - $0.25
Near Mint Non-English - $0.50
Lightly Played Non-English - $0.47
Moderately Played Non-English - $0.40
Heavily Played Non-English - $0.30
Damaged Non-English - $0.25
Foil Prices
Near Mint Foil - $0.50
Lightly Played Foil - $0.47
Moderately Played Foil - $0.40
Heavily Played Foil - $0.30
Damaged Foil - $0.25
Near Mint Foil Non-English - $0.50
Lightly Played Foil Non-English - $0.47
Moderately Played Foil Non-English - $0.40
Heavily Played Foil Non-English - $0.30
Damaged Foil Non-English - $0.25