Jackhammer 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.
Official card text
Equipped creature gets +2/+0. Equip(
: Attach to target creature you control. Equip only as a sorcery.)
Complete guide
Jackhammer is a straightforward yet effective Equipment card that turns any creature into a more formidable threat on the battlefield. By increasing a creature's power, it allows you to break through enemy defenses and apply significant pressure during the combat phase. This artifact is a classic example of how simple stat boosts can change the math of a game.
What It Does
Jackhammer is an Equipment artifact with a mana cost of {1}{R}. Once it is on the battlefield, you can pay its Equip cost of {2} to attach it to a creature you control. While attached, the equipped creature receives a +2/+0 power boost, making it hit harder without increasing its toughness.
Step-by-Step Resolution
First, you cast Jackhammer for {1}{R}. Once it resolves and enters the battlefield, it sits there unattached. During your main phase when the stack is empty, you pay {2} to activate the Equip ability, targeting a creature you control. When the Equip ability resolves, Jackhammer becomes attached to that creature, and the +2/+0 bonus is applied immediately. If the creature leaves the battlefield, Jackhammer remains on the battlefield as an unattached artifact.
Common Mistakes
One common error is trying to equip Jackhammer during an opponent's turn or during the combat phase; remember that the Equip ability can only be activated as a sorcery. Additionally, keep in mind that Jackhammer only provides a power boost. It does not increase toughness, so the equipped creature remains just as vulnerable to damage and 'destroy' effects as it was before.
When to Play It
Jackhammer is best utilized in aggressive decks that want to maximize damage early in the game. It is particularly effective on creatures with keywords like First Strike, Trample, or Flying, where the extra power can be leveraged to win trades or bypass blockers entirely.
Interaction examples
On turn one, you play a land and cast Sol Ring. You then use the two colorless mana from Sol Ring to cast Jackhammer. On turn two, you play another land, cast a small creature, and immediately use your two mana to equip Jackhammer, allowing you to attack for significantly more damage than your opponent expected.
If you are playing a multi-color deck and lack the Red mana required to cast Jackhammer, you can use Arcane Signet to produce the {R} needed. Once Jackhammer is on the field, the mana from Arcane Signet can also be used toward the {2} generic mana required for the Equip cost.
Guide written with AI from the official text and rulings. Official English text prevails.
How it works : Jackhammer
Original English text — Wizards of the Coast / Scryfall
No additional ruling has been published for this card.
Legal formats
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Meta decks with Jackhammer
No archived Top 8 deck with this card yet.



Sol Ring
Arcane Signet