Equipped creature gets +2/+0 and has first strike (This creature deals combat damage before creatures without first strike.), vigilance (Attacking doesn't cause this creature to tap.), trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.), and haste (This creature can attack, and as soon as it comes under your control.).
Equip (: Attach to target creature you control. Equip only as a sorcery. This card enters unattached and stays on the battlefield if the creature leaves.)