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Rules guide · Artifact

Utility KnifeHow it works & interactions with other cards

By the ManaCount desk· 2 min read· Zendikar Rising· September 25, 2020
Carte Magic Utility Knife

Utility Knife is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

01

Official card text

When this Equipment enters, attach it to target creature you control. Equipped creature gets +1/+1. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

Complete guide

Utility Knife is a simple yet effective tool for any deck looking to bolster its creatures' stats without waiting for a sorcery-speed window. This Equipment provides an immediate power boost upon entry, ensuring your forces are ready for combat the moment the blade hits the battlefield. Whether you are conjuring it or casting it, it serves as a reliable combat trick and a permanent buff.

Immediate Attachment

The primary strength of Utility Knife is its enters-the-battlefield trigger. Unlike most Equipment that requires an additional mana investment to become useful, Utility Knife automatically attaches to a creature you control as soon as it enters. This bypasses the normal 'Equip' timing restrictions, meaning if the Knife enters the battlefield on an opponent's turn, it still attaches immediately.

Step-by-Step Resolution

When Utility Knife enters the battlefield, its triggered ability goes on the stack, and you choose a target creature you control. As the ability resolves, the Knife becomes attached to that creature, and the creature gains +1/+1. If the creature is removed or becomes an illegal target before the ability resolves, Utility Knife stays on the battlefield but remains unattached. You can later pay the Equip {3} cost to move it to a different creature during your main phase.

Timing and Strategy

It is important to remember that the initial attachment is a triggered ability, not an activated one. You do not pay {3} when it first enters. This makes it highly efficient in decks that can blink artifacts or create them for free. However, if you want to move the Knife later, you must pay the full Equip cost at sorcery speed.

Interaction examples

Free Gear with Expedition Supplier

When a Human or Warrior enters your control, Expedition Supplier conjures a Utility Knife directly onto the battlefield. Because the Knife is entering the battlefield, its own ability triggers immediately, allowing you to attach it to a creature for free without spending any mana.

Ramping into Equipment

You can tap Sol Ring to add two colorless mana. You spend one mana to cast Utility Knife. Upon resolution, Utility Knife enters and triggers, attaching to a creature you control. You still have one mana remaining from Sol Ring to use on other spells or abilities.

Fixing for Future Equips

While Utility Knife attaches for free initially, you may eventually want to move it to a different creature. Arcane Signet helps provide the colored or colorless mana needed to pay the Equip {3} cost during your main phase, ensuring your strongest creature always has the +1/+1 bonus.

Guide written with AI from the official text and rulings. Official English text prevails.

How it works : Utility Knife

Original English text — Wizards of the Coast / Scryfall

  1. #1· Wizards of the Coast

    Attaching an Equipment with its enters-the-battlefield triggered ability isn't the same as using its equip ability. You don't pay mana for the attachment, and if the Equipment enters at a time you couldn't cast a sorcery, you can still attach it to a creature you control.

    No other card is named in this ruling.

  2. #2· Wizards of the Coast

    If the target creature becomes an illegal target, the Equipment remains on the battlefield unattached.

    No other card is named in this ruling.

02

Interactions with other cards

These cards' text mentions Utility Knife.

Related cards and tokens

03

Legal formats

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Meta decks with Utility Knife

No archived Top 8 deck with this card yet.

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