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
Hatred 3BBInstant As an additional cost to cast this spell, pay X life. Target creature gets +X/+0 until end of turn.
Ascendant Evincar 4BBLegendary Creature — Phyrexian Vampire Noble Flying (This creature can't be blocked except by creatures with flying or reach.) Other black creatures get +1/+1. Nonblack creatures get -1/-1. 3/3
Berserk GInstant Cast this spell only before the combat damage step. Target creature gains trample and gets +X/+0 until end of turn, where X is its power. At the beginning of the next end step, destroy that creature if it attacked this turn.
Price of Loyalty 2RSorcery Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. If mana from a Treasure was spent to cast this spell, that creature gets +2/+0 until end of turn.
An-Zerrin Ruins 2RREnchantment As An-Zerrin Ruins enters the battlefield, choose a creature type. Creatures of the chosen type don't untap during their controllers' untap steps.
Blight-Breath Catoblepas 4BBCreature — Beast When Blight-Breath Catoblepas enters the battlefield, target creature an opponent controls gets -X/-X until end of turn, where X is your devotion to black. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.) 3/2
Teardrop Kami UCreature — Spirit Sacrifice Teardrop Kami: You may tap or untap target creature. 1/1
Sleeping Potion 1UEnchantment — Aura Enchant creature When Sleeping Potion enters the battlefield, tap enchanted creature. Enchanted creature doesn't untap during its controller's untap step. When enchanted creature becomes the target of a spell or ability, sacrifice Sleeping Potion.
Bramblesnap 1GCreature — Elemental Trample Tap an untapped creature you control: Bramblesnap gets +1/+1 until end of turn. 1/1
Black Oak of Odunos 2BCreature — Zombie Treefolk Defender {B}, Tap another untapped creature you control: Black Oak of Odunos gets +1/+1 until end of turn. 0/5
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