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
Groundswell GInstant Target creature gets +2/+2 until end of turn. Landfall — If you had a land enter the battlefield under your control this turn, that creature gets +4/+4 until end of turn instead.
Conqueror's Flail 2Artifact — Equipment Equipped creature gets +1/+1 for each color among permanents you control. As long as Conqueror's Flail is attached to a creature, your opponents can't cast spells during your turn. Equip {2}
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Train of Thought 1USorcery Replicate {1}{U} (When you cast this spell, copy it for each time you paid its replicate cost.) Draw a card.
Information Booth Artifact — Attraction Visit — Draw a card.
Vedalken Archmage 2UUCreature — Vedalken Wizard Whenever you cast an artifact spell, draw a card. 0/2
Siren's Call UInstant Cast this spell only during an opponent's turn, before attackers are declared. Creatures the active player controls attack this turn if able. At the beginning of the next end step, destroy all non-Wall creatures that player controls that didn't attack this turn. Ignore this effect for each creature the player didn't control continuously since the beginning of the turn.
Pop Quiz 2UInstant Draw a card. Learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.)
Temporary Insanity 3RInstant Untap target creature with power less than the number of cards in your graveyard and gain control of it until end of turn. That creature gains haste until end of turn.
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