Card Codex

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17 May 2024: Card library updated.

Code of Constraint

2U · Instant

Target creature gets -4/-0 until end of turn. Draw a card. Addendum — If you cast this spell during your main phase, tap that creature and it doesn't untap during its controller's next untap step.

Similar cards

Color identity:
NameManaTypeText
Sea Hag 4UCreature — Hag When Sea Hag enters the battlefield, creatures your opponents control get -4/-0 until end of turn. 3/5
Merrow Commerce 1UTribal Enchantment — Merfolk At the beginning of your end step, untap all Merfolk you control.
Swallow Whole WSorcery As an additional cost to cast this spell, tap an untapped creature you control. Exile target tapped creature. Put a +1/+1 counter on the creature tapped to pay this spell's additional cost.
Gumdrop Poisoner 2BCreature — Human Warlock Lifelink When Gumdrop Poisoner enters the battlefield, up to one target creature gets -X/-X until end of turn, where X is the amount of life you gained this turn. 3/2
Energy Storm 1WEnchantment Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Prevent all damage that would be dealt by instant and sorcery spells. Creatures with flying don't untap during their controllers' untap steps.
The Thirteenth Doctor 1GULegendary Creature — Time Lord Doctor Paradox — Whenever you cast a spell from anywhere other than your hand, put a +1/+1 counter on target creature. Team TARDIS — At the beginning of your end step, untap each creature you control with a counter on it. 2/2
In Thrall to the Pit 3RSorcery Kicker {2}{B} (You may pay an additional {2}{B} as you cast this spell.) Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. If this spell was kicked, sacrifice that creature at the beginning of the next end step.
Nature's Chosen GEnchantment — Aura Enchant creature you control {0}: Untap enchanted creature. Activate only during your turn and only once each turn. Tap enchanted creature: Untap target artifact, creature, or land. Activate only if enchanted creature is white and untapped and only once each turn.
Herald of Anguish 5BBCreature — Demon Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Flying At the beginning of your end step, each opponent discards a card. {1}{B}, Sacrifice an artifact: Target creature gets -2/-2 until end of turn. 5/5
Paradox Engine 5Legendary Artifact Whenever you cast a spell, untap all nonland permanents you control.
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