You may choose not to untap Giant Oyster during your untap step. {T}: For as long as Giant Oyster remains tapped, target tapped creature doesn't untap during its controller's untap step, and at the beginning of each of your draw steps, put a -1/-1 counter on that creature. When Giant Oyster leaves the battlefield or becomes untapped, remove all -1/-1 counters from the creature.
Near Mint - $0.10
Lightly Played - $0.10
Moderately Played - $0.10
Heavily Played - $0.10
Damaged - $0.10
Near Mint Spanish - $0.10
Lightly Played Spanish - $0.10
Moderately Played Spanish - $0.10
Heavily Played Spanish - $0.10
Damaged Spanish - $0.10
Foil Prices
Near Mint Foil - $1.50
Lightly Played Foil - $1.20
Moderately Played Foil - $1.10
Heavily Played Foil - $0.90
Damaged Foil - $0.80
Near Mint Foil Spanish - $1.50
Lightly Played Foil Spanish - $1.20
Moderately Played Foil Spanish - $1.10
Heavily Played Foil Spanish - $0.90
Damaged Foil Spanish - $0.80