Ammazzamaghi {1}{R}{G}

Artefatto — Equipaggiamento

Ogniqualvolta la creatura equipaggiata attacca, infligge danno pari alla sua forza al giocatore o al planeswalker che sta attaccando.

Equipaggiare {3}

“Se chi la impugna è forte a sufficienza, qualsiasi spada servirà al suo scopo.”
—Kresh dalle Trecce Rosse

en es fr de it pt ja ru 汉语漢語 ⋮

Only the English version of a Magic card receives Oracle updates and errata. View this card in English. (Scryfall note)
This ability triggers and resolves in the declare attackers step. The creature will still deal its combat damage as normal later on during the combat phase. (2009-05-01)

When the equipped creature attacks, the first ability will trigger. When that ability resolves, that creature will deal damage equal to its power to player or planeswalker it's attacking, even if Mage Slayer has left the battlefield or is equipping a different creature by that time. (2009-05-01)