Community

Giant Oyster
Creature — Oyster
You may choose not to untap this creature during your untap step.
tap : For as long as this creature 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 this creature leaves the battlefield or becomes untapped, remove all -1/-1 counters from the creature.
Rulings (4)
Activating the ability creates a continuous effect that works only as long as Giant Oyster remains tapped, a repeating delayed triggered ability that’s in effect only as long as Giant Oyster remains tapped, and a delayed triggered ability that triggers when Giant Oyster untaps or when it leaves the battlefield.
Sep 25, 2006
The activated ability can target only a tapped creature.
Sep 25, 2006
Giant Oyster’s ability can be activated during your upkeep, and the creature will get a -1/-1 counter during the draw step that follows it.
Sep 25, 2006
Legality
Formats by platform
Commander
Competitive
Community & retro
Printings (2)
TSB#22$0.28
Time Spiral Timeshifted
HML#28$0.28
Homelands