Name:Giant Oyster
ManaCost:2 U U
Types:Creature Oyster
PT:0/3
K:You may choose not to untap CARDNAME during your untap step.

A:AB$ Pump | Cost$ T | ValidTgts$ Creature.tapped | TgtPrompt$ Select target tapped creature | IsCurse$ True | RememberObjects$ Targeted | SpellDescription$ For as long as CARDNAME remains tapped, target tapped creature doesn't untap during its controller's untap step.

T:Mode$ Phase | Phase$ Draw | ValidPlayer$ You | TriggerZones$ Battlefield | Execute$ TrigCounter | IsPresent$ Creature.IsRemembered | TriggerDescription$ At the beginning of each of your draw steps, put a -1/-1 counter on that creature.

SVar:TrigCounter:DB$ PutCounter | Defined$ Remembered | CounterType $ M1M1 | CounterNum$ 1 | IsCurse$ True

S:Mode$ Continuous | Affected$ Creature.IsRemembered | AddHiddenKeyword$ CARDNAME doesn't untap during your untap step.

T:Mode$ ChangesZone | TriggerZones$ Battlefield | Origin$ Battlefield | Destination$ Any | ValidCard$ Card.IsRemembered | Execute$ ClearRemembered | Static$ True

T:Mode$ Untaps | TriggerZones$ Battlefield | ValidCard$ Card.Self | Execute$ RemoveCounters | TriggerDescription$ When CARDNAME leaves the battlefield or becomes untapped, remove all -1/-1 counters from the creature.

T:Mode$ ChangesZone | TriggerZones$ Battlefield | Origin$ Battlefield | Destination$ Any | ValidCard$ Card.Self | Execute$ RemoveCounters | Secondary$ True | TriggerController$ TriggeredCardController | TriggerDescription$ When CARDNAME leaves the battlefield or becomes untapped, remove all -1/-1 counters from the creature.

SVar:RemoveCounters:DB$ RemoveCounter | Defined$ Creature.IsRemembered | CounterType$ M1M1 | CounterNum$ All | SubAbility$ ClearRemembered

SVar:ClearRemembered:DB$ Cleanup | ClearRemembered$ True

SVar:RemAIDeck:True
SVar:Picture:http://www.wizards.com/global/images/magic/general/giant_oyster.jpg
Oracle:You may choose not to untap Giant Oyster during your untap step.\n{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.