Card Codex

M:tG card similarity search

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
Kyren Negotiations 2RREnchantment Tap an untapped creature you control: Kyren Negotiations deals 1 damage to target player or planeswalker.
Might of the Masses GInstant Target creature gets +1/+1 until end of turn for each creature you control.
Overtaker 1UCreature — Merfolk Spellshaper {3}{U}, {T}, Discard a card: Untap target creature and gain control of it until end of turn. That creature gains haste until end of turn. 1/1
Putrid Cyclops 2BCreature — Zombie Cyclops When Putrid Cyclops enters the battlefield, scry 1, then reveal the top card of your library. Putrid Cyclops gets -X/-X until end of turn, where X is that card's mana value. (To scry 1, look at the top card of your library, then you may put that card on the bottom of your library.) 3/3
Take the Bait 2RWInstant Cast this spell only during an opponent's turn and only during combat. Prevent all combat damage that would be dealt to you and planeswalkers you control this turn. Untap all attacking creatures and goad them. After this phase, there is an additional combat phase.
Sibling Rivalry 3RSorcery Gain control of target artifact or creature until end of turn. Untap it. It gains haste until end of turn. Create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")
Insight 2UEnchantment Whenever an opponent casts a green spell, you draw a card.
Twist Allegiance 6RSorcery You and target opponent each gain control of all creatures the other controls until end of turn. Untap those creatures. Those creatures gain haste until end of turn.
Trouble in Pairs 2WWEnchantment If an opponent would begin an extra turn, that player skips that turn instead. Whenever an opponent attacks you with two or more creatures, draws their second card each turn, or casts their second spell each turn, you draw a card.
Nameless Inversion 1BTribal Instant — Shapeshifter Changeling (This card is every creature type.) Target creature gets +3/-3 and loses all creature types until end of turn.
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