Card Codex

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17 May 2024: Card library updated.

Giant Oyster

2UU · Creature — Oyster

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. 0/3

Similar cards

Color identity:
NameManaTypeText
Meekstone 1Artifact Creatures with power 3 or greater don't untap during their controllers' untap steps.
Ethereal Grasp 2UInstant Tap target creature. That creature perpetually gains "This creature doesn't untap during your untap step" and "{8}: Untap this creature."
Kefnet's Last Word 2UUSorcery Gain control of target artifact, creature, or enchantment. Lands you control don't untap during your next untap step.
Prophet of Kruphix 3GUCreature — Human Wizard Untap all creatures and lands you control during each other player's untap step. You may cast creature spells as though they had flash. 2/3
Twiddlestick Charger Artifact — Contraption Whenever you crank Twiddlestick Charger, tap or untap target creature.
Matsu-Tribe Birdstalker 2GGCreature — Snake Warrior Archer Whenever Matsu-Tribe Birdstalker deals combat damage to a creature, tap that creature and it doesn't untap during its controller's next untap step. {G}: Matsu-Tribe Birdstalker gains reach until end of turn. (It can block creatures with flying.) 2/2
Chill of the Grave 2UInstant This spell costs {1} less to cast if you control a Zombie. Tap target creature. It doesn't untap during its controller's next untap step. Draw a card.
Wavecrash Triton 2UCreature — Merfolk Wizard Heroic — Whenever you cast a spell that targets Wavecrash Triton, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step. 1/4
Skyline Cascade Land Skyline Cascade enters the battlefield tapped. When Skyline Cascade enters the battlefield, target creature an opponent controls doesn't untap during its controller's next untap step. {T}: Add {U}.
Castaway's Despair 3UEnchantment — Aura Enchant creature When Castaway's Despair enters the battlefield, tap enchanted creature. Enchanted creature doesn't untap during its controller's untap step.
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