# 2019 Magic: The Gathering Ravnica Allegiance #35

> Code of Constraint is an uncommon instant card from the 2019 Ravnica Allegiance set, featuring a unique main phase effect that taps and roots a target creature.

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## Identity

- **Year**: 2019
- **Manufacturer brand**: Magic: The Gathering
- **Set / series**: Ravnica Allegiance
- **Card number**: #35
- **Product type**: TCG_CARD

## Description

The Code of Constraint card, designated as number 35 in the 2019 Ravnica Allegiance expansion, offers collectors a versatile instant from the Magic: The Gathering trading card game. Designed by Ekaterina Burmak, this uncommon blue spell provides strategic depth through its ability to significantly weaken a target creature, reducing its power by four until end of turn while allowing the caster to draw a card. The card’s design reflects the intricate aesthetic typical of the Ravnica Allegiance set, appealing to fans of the guild-based universe. A distinctive feature of this product is its Addendum ability, which activates when cast during the main phase. This additional effect allows the player to tap the targeted creature and prevent it from untapping during its controller's next untap step, adding a layer of resource denial to the spell's utility. For collectors focused on set completion, this card represents a standard inclusion in the Ravnica Allegiance product line. Its blue mana identity and instant speed make it a recognizable piece for those building thematic collections around the game's mechanics. Whether for gameplay or display, the Code of Constraint stands as a notable entry in the modern Magic: The Gathering catalog, bridging the gap between competitive strategy and collectible artistry.

## FAQ

### What is the mana cost of Code of Constraint?

The mana cost for Code of Constraint is {2}{U}, requiring two generic mana and one blue mana to cast. It has a mana value of three, placing it in the mid-range for instant spells.

### What does the Addendum ability do on this card?

The Addendum ability triggers only if you cast the spell during your main phase. It allows you to tap the target creature and prevent it from untapping during its controller's next untap step, effectively rooting the creature for a turn.

### Who illustrated the Code of Constraint card?

Ekaterina Burmak is the artist responsible for the illustration on Code of Constraint. Her artwork contributes to the visual identity of the Ravnica Allegiance set.

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Last verified: 2025-11-29.