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 - £0.30
Lightly Played - £0.30
Moderately Played - £0.20
Heavily Played - £0.20
Damaged - £0.10
Near Mint Non English - £0.30
Lightly Played Non English - £0.30
Moderately Played Non English - £0.20
Heavily Played Non English - £0.20
Damaged Non English - £0.10
Foil Prices
Near Mint Foil - £1.40
Lightly Played Foil - £1.20
Moderately Played Foil - £1.00
Heavily Played Foil - £0.70
Damaged Foil - £0.40
Near Mint Foil Non English - £1.40
Lightly Played Foil Non English - £1.20
Moderately Played Foil Non English - £1.00
Heavily Played Foil Non English - £0.70
Damaged Foil Non English - £0.40